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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Scripher

B Scripture

C Scriptur

D Skripture

Q2: By higher octane number of spark ignition fuel, it is meant that the fuel has

A higher heating value

B higher flash point

C longer ignition delay

D lower volatility

Q3: The spark ignition engines are governed by

A combination of (b) and (c)

B hit and miss governing

C quantitative governing

D qualitative governing

Q4: If petrol is used in a diesel engine, then

A black smoke will be produced

B efficiency will be low

C low power will be produced

D higher knocking will occur

Q5: The sensing element in the control system of nuclear reactors measure the __________ of the neutron flux in the reactor.

A density

B volume

C none of these

D temperature

Q6: If the temperature of intake air in internal combustion engine increases, then its efficiency will

A increase

B remain same

C decrease

Q7: In a coil ignition system of petrol engines, a condenser is connected across the contact-breaker in order to

A cause more rapid break of the primary current, giving a higher voltage in the secondary circuit

B prevent sparking across the gap between the points

C both (a) and (b)

D none of the above

Q8: Which of the following statement is correct regarding normal cetaine?

A Its chemical name is normal-hexadecane.

B It has long carbon chain structure.

C It is a standard fuel used for knock rating of diesel engines.

D all ofthe above

Q9: Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has

A high neutron absorption cross-section

B low moderating efficiency

C low neutron absorption cross-section

D high neutron scatter cross-section

Q10: As compared to air standard cycle, in actual working, the effect of variation in specific heats is to

A reduce maximum pressure and maximum temperature

B increase maximum pressure and maximum temperature

C increase maximum pressure and decrease maximum temperature

D decrease maximum pressure and increase maximum temperature