1. Which of the following boilers is best suited to meet fluctuating demands ?

babock and wilcox

locomotive

Lancas hire

Cochran

Answer: locomotive

Explanation:


2. An engine indicator is used to determine the following ?

speed

temperature

volume of cylinder

None of these

Answer: None of these

Explanation:


3. Diesel fuel, compared to petrol is ?

less difficult to ignite

just about the same difficult to ignite

more difficult to ignite

highly ignitable

Answer: more difficult to ignite

Explanation:


4. The fuel air ratio in a petrol engine fitted with suction carburetor, operating with dirty air filter as compared to clean filter will be ?

higher

lower

remain unaffected

unpredictable

Answer: unpredictable

Explanation:


5. Ignition quality of petrol is expressed by ?

octane number

cetanen umber

calorific value

self-ignition temperature

Answer: octane number

Explanation:


6. A kinematic pair cannot be classified on the basis of ________ ?

nature of contact between the links

nature of constraints between the link

number of connected links

type of relative motion between the links

Answer: number of connected links

Explanation:


7. How many degrees of freedom, a threaded screw has ?

0

1

2

Insufficient data

Answer: 1

Explanation:


8. Which law states that the length of the shortest and the longest links should not be greater than the sum of the other two links in the four bar mechanism ?

Grashof’s law

Grubler’s law

Whitworth’s law

Oldham’s law

Answer: Grashof’s law

Explanation:


9. Which of the following is used for controlling energy fluctuations in an engine ?

Control Valve

Fuel injector

Flywheel

Governor

Answer: Flywheel

Explanation:


10. Which of the following is NOT a function of flywheel ?

Store and release energy during work cycle.

Reduce power capacity of the electric motor.

Reduce amplitude of speed fluctuations.

Reduce engine speed.

Answer: Reduce engine speed.

Explanation: