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King Fahd University of Petroleum and Minerals

Preparatory Year Program

Preparatory Science & Engineering Program

(PSEP)

Physical Science (PYP001)

MAJOR-1 EXAM

Term: 171

Tuesday, October 31, 2017

05:30 PM

Name: ___________________________________

ID: ________________________________

EXAM CHECKLIST Detach your Answer Sheet very carefully.

Bubble your ID number and your section number correctly.

Don’t forget any of your belonging (ID card, mobile phone, glasses, calculator, etc.)

CODE: 0

PYP 001 First Major Exam Code: Term: 171 Tuesday, October 31, 2017

Created by Dr. Tayseer Abu Alrub. Reviewed by Dr. Fazal Ur-RehmanPage: 1

*Read the following (25) questions and choose the best answer:

1 The figure below describes the position of an object as a function of time. How

much is the displacement of the object in 8.0 seconds?

A) 3.0 m.B) 8.0 m.C) 2.0 m.D) 5.8 m.

2 A bus travels 280 km south along a straight path with an average speedof 80.0 km/h. The bus stops for 30 min, then it travels 210 kmnorth with an average speed of 75.0 km/h. What is the average speed for the total trip?

A) 72.0 km/h.B) 10.3 km/h.C) 77.5 km/h.D) 5.0 km/h, South.E) 77.7 km/h.

PYP 001 First Major Exam Code: Term 171 Tuesday, October 31, 2017


3 The figure below describes the speed of an object as a function of time during 8.0 s. What can you conclude about the acceleration of the object?

A) The acceleration remains constant in magnitude and direction.B) Only the direction of the acceleration changes after 4.0 s.C) The acceleration changes in magnitude and direction after 4.0 s.D) Only the magnitude of the acceleration changes after 4.0 s.

4 A car whose acceleration is constant reaches a speed of 80.0 km/h in 20.0 s starting from rest. How much more time is required for it to reach a speed of 130 km/h?

A) 12.5 sB) 32.5 sC) 20.0 sD) 10.0 s



5 Which of the following statements about centripetal acceleration is correct?

A) The centripetal acceleration of an object is always perpendicular to its velocity.

B) Centripetal acceleration occurs whenever the speed changes.C) Centripetal acceleration will equal to zero whenever the object moves

in a circular path.D) Centripetal acceleration occurs when the object moves at constant

velocity.

6 A hurricane is approaching a house at 90 km/h due west as shown in the figure below. The car is moving at 80 km/h away from the house due west. How long does it take the hurricane to strike the car if the distance between them is 70 km and their velocities remain constant?

A) 7.0 hours.B) 0.41 hour.C) 0.77 hour.D) It will never strike the car.



7 Two balls are at the same height and released at the same time. One ball is dropped and hits the ground 3.0 s later. The other initially moves horizontally at 10 m/s as shown the figure below. How far does the second ball travel horizontally before it hits the ground?

A) 30.0 m.B) 44.1 mC) 53.3 mD) None of these.

8 The mass of a truck is three times greater than the mass of a car. Given that the

speed of the car is three times greater than the speed of the truck, how do their

momentums compare?

A) Their momentums are equal.B) The momentum of the car is three times greater than the momentum

of the truck.C) The momentum of the truck is three times greater than the momentum

of the car.D) The momentum of the truck is nine times greater than the momentum

of the car.



9 A 4500-kg helicopter accelerates upward at 2.0 m/s2. What lift force is exerted by the air on the helicopter?

A) 53,100 N.B) 35,100 N.C) 13,500 N.D) 9,000 N.



10 While moving at constant velocity on a level, snowy surface, a snowmobiler throws a ball vertically upward. Where will the ball land? Assume that the air resistance is negligible.

A) It will return back to his hand.B) It will fall in front of him.C) It will fall behind him.D) It depends on the initial speed of the ball.

11 As a baseball is being caught, its speed goes from 30.0 m/s to 0.0 m/s in about 0.005 s. If the mass of the baseball is 0.145 kg, how much force acts on it?

A) 870 N.B) 6,000 N.C) 4.35 N.D) 29.0 N.



12 On Earth, a scale shows that you weigh 585.0 N. What would be the scale read of your weight on another planet whose mass and size are less than their values for Earth by one-half?

A) 1,170 N.B) 585.0 N.C) 73.13 N.D) 292.5 N.

13 Assume you are standing inside an elevator, in which of the following cases your weight will equal zero?

A) None of these.B) When the elevator is in free fall.C) When the elevator accelerates upward.D) When the elevator moves with constant velocity.



14 You are riding in an elevator holding a spring scale with a 1.0-kg masssuspended from it. You look at the scale and see that it reads 5.0 N. What can you conclude about the elevator’s motion at that time?

A) The elevator is accelerating downward.B) The elevator is accelerating upward.C) The elevator is moving with constant velocity.D) The elevator is at rest.



15 A trolley “A” moves with 5.0 m/s toward a trolley “B” of equal mass which is at rest, as in the figure below. The trolleys stick together and move off as one. What is their speed after they stuck together?

A) 2.5 m/s.B) 5.0 m/sC) Zero.D) 10 m/s



16 Two frictionless trolleys A and B, of mass m and 3m respectively, are on a horizontal track as in the figure below. Initially they are clipped together by a device which incorporates a spring, compressed between the trolleys. At time=0 the clip is released, what is the acceleration of trolley A compared to the acceleration of trolley B?

A) aA=3aB

B) aA=13

aB

C) aA=aB

D) aA=9aB



17 Which of the following statements is FALSE?

A) If you push horizontally on a table and the table doesn’t move, then the static friction between the floor and the table is greater than your pushing force.

B) A bullet fired horizontally from a rifle is in free fall from the moment it leaves the rifle until it hits the ground below, if air resistance is negligible.

C) When you drop a feather and a hammer from the same height, the feather will reach its terminal velocity first.

D) The centripetal force that acts on a satellite revolving around Earth in a circular path is caused by its weight.

18 The magnitude of the acceleration of a stone thrown vertically upward is

A) the same as that of a stone thrown vertically downward.B) greater than that of a stone thrown vertically downward.C) less than that of a stone thrown vertically downward.D) zero until it reaches the highest point in its path.

19 If the kinetic energy of an object increases from 30.0 J to 120 J, by what factor does its speed increase?

A) by two times.B) by four times.C) by three times.D) the speed doesn’t increase.



20 The figure below shows a toy car track set up on a tabletop. The mass of the car is 0.025 kg. The height of point A is 2.15 m above the floor and the height of point B is 0.95 m above the floor. What is the kinetic energy of the car when it arrives at point B? Assume that the friction is negligible.

A) 0.294 J.B) 0.030 J.C) 0.233 J.D) 0.527 J.



21 A skater moves a horizontal distance of 100 m on a level surface while holding a 10.0 kg box as in the figure below. How much work is done in holding the box?

A) Zero.B) 9,800 J.C) 1000 J.D) 98.0 J.



22 A worker slides a 60.0-kg crate up an inclined ramp that is attached to a platform 1.0 m above floor level, as shown in the figure below. A 400.0-N force, parallel to the ramp, is needed to slide the crate up the ramp at a constant speed. Assume that the friction is negligible, what is the length of the ramp (L)?.

A) 1.47 m.B) 0.15 m.C) 0.68 m.D) 3.00 m



23 A student exerts a force of 250 N on a lever, through a distance of 1.60 m, as he lifts a 150-kg crate. If the efficiency of the lever is 90.0 percent, how far is the crate lifted?

A) 0.245 mB) 2.40 mC) 0.00245 mD) 3.31 m

24 Friction causes mechanical energy to be converted into which form of energy?

A) Thermal Energy.B) Nuclear Energy.C) Chemical potential energy.D) Kinetic energy.

25 A 100-kg person climbs stairs, gaining 3.0 meters in height in just 5.0 seconds. What is the power of this person?

A) 588 W.B) 60.0 W.C) 980 W.D) 196 W.




(PSEP)


MAJOR-2 EXAM

Term: 171

Tuesday, December 12, 2017

05:30 PM

Name: ___________________________________

ID: ________________________________




CODE: 0

PYP 001 Second Major Exam Code: Term: 171 Tuesday, December 12, 2017

Created by Dr. Tayseer Abu Alrub. Reviewed by Dr. Ashraf FarahatPage: 1

*Read the following (25) questions and choose the best answer: (The periodic table and a table for polyatomic ions are attached)

1 A stone is thrown into a deep lake. As it sinks deeper and deeper into the water, the buoyant force on it

A) remains the same.B) increases.C) decreases.D) Not enough information.

2 A beaker that is completely filled with water weighs 30 N as in the figure below. What would be the reading of the scale when a 5.0 N block of wood floats in it?

A) 30 NB) 25 NC) 35 ND) 40 N



3 An umbrella tends to move upwards in a windy day principally because

A) air pressure is reduced over the curved top surface.B) buoyancy increases with increasing wind speed.C) air gets trapped under the umbrella, warms, and rises.D) None of these.

4 To what temperature must a gas sample initially at 0ºC be heated if its volume is to double while its pressure remains the same?

A) 273ºCB) 0ºCC) -136.5ºCD) 546ºC



5 A liquid with negligible viscosity flows through the pipe shown in the figure below. This is an overhead view. At what point the pressure of the liquid is highest?

A) At point number 4.B) At point number 3.C) At point number 2.D) At point number 1.



6 Masses A and B rest on very light pistons that enclose a fluid, as shown in the figure below. There is no friction between the pistons and the cylinders they fit inside. Which of the following is true?

A) Mass B is greater than Mass A.B) Mass B is smaller than Mass A.C) Mass B is the same as Mass A.D) Not enough information.

7 Which of the following statements is TRUE?

A) When water freezes its density decreases.B) In amorphous solids (like glass) the particles have specific geometric

arrangements. C) Most of the ordinary matter in the universe is in the liquid state.D) Condensation is the change of state from liquid to gas.



8 A balloon is launched at sea level. where the air pressure is 100 kPa. The density in the hot-air chamber is 1.0 kg/m3. What is the density of the air when the balloon has risen to a height where the atmospheric pressure is 33 kPa?

A) 0.33 kg/m3

B) 3.03 kg/m3

C) 1.00 kg/m3

D) 0.66 kg/m3

9 A pure substance that cannot be decomposed by chemical means is called

A) an element.B) a compound.C) a colloid.D) a solution.

10 The melting point of benzene is 5.5ºC and its boiling point is 80.1ºC. At what temperature will both solid and liquid be present?

A) At 5.5ºC.B) At 80.1ºC.C) At temperatures greater than 5.5ºC but less than 80.1ºC.D) At temperatures less than 5.5ºC.



11 When pure water boils, you can see bubbles rising to the surface of the water. Of what are these bubbles made?

A) Water vapor.B) Air.C) Oxygen gas.D) Carbon dioxide gas.

12 Which of the following does not represent a physical property or a physical change?

A) Elemental sulfur burns with a dark blue flame in the air to form a gaseous material.

B) Elemental sulfur is rigid and hard.C) Elemental sulfur boils at 445ºC.D) Elemental sulfur is yellow in its most common form.

13 The scattering of a light beam as it passes through _________ is called the Tyndall effect.

A) a colloid.B) a compound.C) a solution.D) a gaseous element.



14 Which statement best decribes the law of conservation of mass?

A) Matter is neither lost nor gained during a chemical change.B) The mass of the products is always greater than the mass of the

materials that react in a chemical change.C) A certain mass of material must be present for a reaction to occur.D) The mass of the products is always less than the mass of the materials

that react in a chemical change.


A) A neutron has twice the mass of a proton.B) The nucleus contains most of the mass of an atom.C) There are three quarks in every proton or neutron.D) A proton and an electron have opposite electric charges.

16 Which of the following is not in Dalton’s atomic theory?

A) Atoms are composed of subatomic particles called protons, neutrons, and electrons.

B) Atoms are indivisible and indestructible.C) Different atoms combine in simple whole-number ratios to form

compounds.D) Atoms of a specific element are different from those of another

element.



17 How many neutrons are in the nucleus of a bromine atom that has a mass number of 80?

A) 45.B) 35.C) 80.D) 115.

18 Neon consists of three naturally occurring isotopes: 1020Ne,

1021Ne, and

1022Ne. Which

isotope of neon is likely to be the most prevalent (abundant)?

A)1020Ne.

B)1021Ne.

C)1022Ne.

D) The prevalence is the same for all.

19 The electron dot diagram for aluminum (Al) is

A)

B)

C)

D)



20 Consider an ion with the symbol Y3. If Y is in period number 3 in the periodic table, what is this element?

A) Phosphorus (P).B) Aluminum (Al).C) Chlorine (Cl).D) Silicon (Si).

21 Which of the following pairs of elements are likely to form an ionic compound?

A) Lithium and chlorine.B) Oxygen and bromine.C) Cesium and magnesium.D) Nitrogen and iodine.

22 What is the chemical formula for chromium(III) carbonate?

A) Cr2(CO3)3

B) Cr3(CO3)2

C) Cr2CO3

D) CrCO3



23 Which of the following compounds is a polar molecule?

A) OF2

B) CO2

C) BF3

D) BeCl2

24 What is the chemical formula of dinitrogen trioxide??

A) N2O3.B) NO3.C) N2O4.D) N3O.

25 What is the name of the compound Mg3(PO4)2.4H2O?

A) magnesium phosphate tetrahydrate.B) trimagnesium diphosphate tetrahydrate.C) magnesium phosphide with water..D) magnesium diphosphate hydrate.




(PSEP)


FINAL EXAM

Term: 171

Tuesday, January 9, 2018

12:30 PM

Name: ___________________________________

ID: ________________________________




CODE: 0

PYP 001 FINAL EXAM CODE TERM 171 Tuesday, January 9, 2018

Created by Dr. Tayseer Abu Alrub. Reviewed by Dr. Fazal Ur-Rehman PAGE 1

* Read the following (30) questions and choose the best answer. (The periodic table is attached)

1 Rank in order, from largest to smallest, the gravitational field strengthson the surfaces of the following planets.

A) (II), (I), (IV), (III).B) (IV), (III), (II), (I).C) (I), (II), (IV), (III).D) (IV), (II), (III), (I).E) (II), (IV), (III), (I).


Created by Dr. Tayseer Abu Alrub. Reviewed by Dr. Fazal Ur-RehmanPAGE 2

2 As seen from above, a car rounds a curved path as shown in the figure below at constant speed. Which direction best represents the direction of the net force acting on the car?

A) (IV)B) (III)C) (II)D) (V)E) (I)

3 A 60.0-kg person is standing on a scale in an elevator that is accelerating downward at 1.70 m/s2. What is the reading of the scale?

A) 486 N.B) Zero.C) 690 N.D) 588 N.E) 102 N.



4 A car can go from 0 to 100 km/h in 12 s. A second car is capable of twice the acceleration of the first car. Assuming that it could maintain the same acceleration at higher speeds, how much time will this second car take to go from 0 to 200 km/h?

A) 12 s.B) 24 s.C) 48 s.D) 6.0 s.E) 3.0 s.



5 The position-time graph shown in the figure below represents the motion of a ball being rolled back and forth by two children. At what positions are the two children sitting?

A) At 6.0 m and 6.0 m.B) Both are sitting at 0.0 m.C) At 0.0 m and 6.0 m.D) At 6.0 m and 0.0 m.E) Both are sitting at 6.0 m.



6 Four students run up the stairs in the times shown in the figure below. Two of them have equal powers, in which graphs are they located?

A) (I) and (III).B) (I) and (II).C) (II) and (III).D) (III) and (IV).E) (I) and (IV).



7 Three arrows are shot horizontally. They have left the bow and are traveling parallel to the ground as shown in the figure below. Air resistance is negligible. Rank in order, from largest to smallest, the magnitude of the horizontal forces F(I), F(II), and F(III) acting on the arrows.

A) None of these.B) F(III), F(I), F(II)

C) F(I), F(II), F(III) D) F(II), F(III), F(I) E) F(I), F(III), F(II)

8 A person is pushing horizontally on a box with a constant force, causing it to slide across a rough floor with a constant velocity . If the person suddenly stops pushing on the box, the box will

A) Immediately come to a stop.B) Continue moving at a constant velocity for a while, then gradually

slows down to a stop.C) Immediately change to a slower but constant velocity.D) Immediately begin slowing down and eventually stop.E) Continue moving at a constant velocity.



9 The figure below shows a 5.0-kg block “A” being pushed with a 3.0-N force. In front of this block is a 10-kg block “B”; the two blocks move together. How much force does block “A” exerts on block “B”?

A) 2.0 NB) 6.0 NC) 3.0 ND) 1.0 NE) 4.0 N

10 A block slides down a smooth ramp. starting from rest at a height h. When it reaches the bottom, it is moving at speed v . It then continues to slide up a second smooth ramp. At what height is its speed equal to v/2?

A) 3h/4B) h/4C) h/2D) 2hE) h/3



11 A block suspended by a weighing scale weighs 5.0 N out of water. When it is submerged into water the scale reads its weight as 3.0 N. How much buoyant force acts on the block?

A) 2.0 NB) 3.0 NC) 5.0 ND) 8.0 NE) None of these.



12 A 5.00-liter rubber balloon is submerged 5 meters under ocean water where its new volume is measured to be 3.38 liters. What is the pressure at this depth if the pressure at sea level is 1.00 atm (atmospheric pressure)? (assume that the temperature is constant)

A) 1.48 atmB) 0.68 atmC) 1.00 atmD) 7.40 atmE) 3.00 atm

13 Which of the following statements is NOT correct?

A) The volume of a gas is inversely proportional to its temperature at constant pressure.

B) Sublimation is the process of a solid changing directly to a gas.C) Water expands as it cools from about 4ºC to 0ºC.D) Stars are in plasma state.E) When the flow of a fluid is restricted its speed increases and its

pressure decreases.

14 A light beam is visible as it passes through

A) None of theseB) hydrogen gas.C) pure water.D) a solution.E) carbon dioxide gas.



15 Which of the following physical properties are involved in the distillation of salt water?

A) Boiling point.B) Color.C) Size.D) Viscosity.E) Density.

16 The element bromine, Br, has two major isotopes of similar abundance, both around 50 percent. What is the most likely set of mass numbers for these isotopes?

A) Br-79, Br-81B) Br-79, Br-80C) Br-80, Br-81D) Br-78, Br-79E) Br-81, Br-82

17 What is the chemical formula for diphosphorus tetraiodide?

A) P2I4

B) P2I3

C) P4I2

D) PIE) PI4



18 What is the chemical name for Fe2S3?

A) Iron(III) sulfideB) Diiron trisulfideC) Iron(II) sulfurideD) Iron sulfate.E) Iron(II) sulfide.

19 Which of the following molecules doesn’t contain polar bonds?

A) S8

B) COC) HClD) IClE) HF

20 Which of the following is not an evidence that was provided to support the seafloor spreading hypothesis?

A) Matching fossils on the seafloor near mid-ocean ridge (MOR).B) The magnetic polarity of rocks on the seafloor.C) The discovery of mid-ocean ridge (MOR) system.D) The difference in age between rocks on the seafloor and rocks on the

continents.E) The difference in age between seafloor sediments near MOR seafloor

sediments near continents.



21 What type of plate boundaries exists at subduction zones? A) Convergent.B) Transform.C) Divergent.D) Lithosphere.E) Asthenosphere.

22 On the Richter scale, a magnitude 6.0 earthquake is how many times more powerful than a magnitude 3.0 earthquake? A) 1000 times.B) 2 times.C) 100 times.D) 3 times.E) 30 times.



23 The data from three seismic stations are analyzed and circles are drawn as in the figure below. At which intersection point is the earthquake epicenter located?

A) At point (IV).B) At point (III).C) At point (II).D) At point (I).E) None of these.



24 If a seismic station recorded an earthquake secondary wave 6.50 minutes after recording its primary wave. How far is the station from the epicenter? (Hint: you may use the graph below)

A) 5000 kmB) 2500 kmC) 4000 kmD) 3000 kmE) 4500 km



25 Which of the following is a correct statement that can be deduced from the figure below?

A) The density of the outer core is greater than the density of the mantle.B) X is a primary seismic wave and Y is a secondary seismic wave.C) X wave is faster than Y wave.D) The outer core is solid.E) The inner core is liquid.



26 An aquifer is 200 km wide, 75.0 m thick, and 451 km long, and has an average porosity of 20.0 percent. What is its water storage volume?

A) 1,353 km3

B) 1,353,000 km3

C) 135,300,000 km3

D) 135,300 km3

E) 33,825 km3


A) Most of the earth’s freshwater is located underground as groundwater.

B) The rate of infiltration is affected by the presence of vegetation.C) A rock unit that can transfer water through its pore space is called an

aquifer.D) Wells drilled into pressurized aquifers are called artesian wells.E) The upper boundary of the saturated zone is called water table.



28 In the figure below, use the appropriate principles of relative dating to place the following layers according to their relative ages from the oldest to the youngest?

A) A, C, Intrusion B, Fault D, F, G, H.B) Intrusion B, Fault D, A, C, F, G, H.C) A, C, F, G, H, Intrusion B, Fault D.D) H, G, F, C, A, Fault D, Intrusion B.E) Fault D, A, C, Intrusion B, H, G, F.



29 Suppose the ratio of radioactive parent to stable daughter isotope in a mineral within

an igneous rock is 12.5:87.5. The half-life of the parent isotope is 7.13 108 years. How old is the rock sample?

A) 21.39 108 years.

B) 14.26 108 years.

C) 7.13 108 years.

D) 28.52 108 years.

E) 35.65 108 years.

30 Which time unit of the geological time scale is the shortest?

A) Epoch.B) Eon.C) Period.D) Era.E) Uniformitarianism.

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