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Automotive Engineering

Completion: (10 pts) Complete each statement by filling up with correct answer the underlined space.

1. Power is the measure of how much _________ can be done in a specified ________.

2. _________________ are considered large and bulky motor ehicles such as large trucks and buses.

!. _____________ are small motor ehicles like cars and "eeps.

#. $edium %ehicle are relatiely medium si&ed ehicles such as _______' and __________.

. ransmission system is used to transmit engine _______ to the __________ to drie the ehicle on the road.

*. _________________ used to disengage and engage the engine with rest of the transmission systems.

+. ,n automatic transmission' _______ are not re-uired to be changed manually. ,t is automatically changes as

per speed of the automobile.

Short Answer: (1 pts)

. /ist at least fie () components of an automobile:

1. !.2. #.

.

. rite a brief description of the functions of the components of an automobile

Problem: (2 pts)

10. guy is pushing a car !00 lbs at a distance of 1200 inches. 3e did it almost 120 seconds. 4ompute how muchpower (3p) the guy produced5

11. 22 inches diameter flywheel of car produces 10 lb tangential force causes the shaft attached to it to rotate

at 2!00 rpm. 3ow much power (3p) the shaft is transmitting to the rear wheel assuming a 100 6 efficiency

between the components5

12. he brake power at the transmission of a truck is 200 3p. ,t is operated by diesel engine' single acting with

one cylinder' length of stroke and bore diameter of the piston is 1! mm 7 102 mm respectiely. four8stroke

cycle engine runs at !00 rpm and operates at a pressure of 1000 9Pa' etermine the engine efficiency of the

truck has5

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Automotive Engineering

Answer Section

COMPLETION

1. ;

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PO"LEM

10. ;7d)?t

P @ (!007100)?2 @ 1'000 ft8lb?min

P @ 1'000 ft8lb?min (13p?!!'000 ft8lb?min)

P @ 0.# 3p

P