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MCQs

Total Questions : 1124 | Page 44 of 113 pages
Question 431.
 
Supercharging __________ the power developed by the engine.
  1.    has no effect on
  2.    increases
  3.    decreases
 Discuss Question
Answer: Option B. -> increases


Question 432.

Which of the following does not relate to a compression ignition engine?


  1.    Fuel pump
  2.    Fuel injector
  3.    Governor
  4.    Carburettor
 Discuss Question
Answer: Option A. -> Fuel pump


Question 433.
 
A supercharged engine as compared to an ordinary engine
  1.    requires smaller foundation
  2.    is lighter
  3.    consumes less lubricating oil
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 434.
 
A petrol engine, during suction stroke draws
  1.    air only
  2.    petrol only
  3.    a mixture of petrol and air
 Discuss Question
Answer: Option C. -> a mixture of petrol and air


Question 435.

The knocking tendency in spark ignition engines can be decreased by adding dopes like tetra ethyle lead and ethylene dibromide.


  1.    Agree
  2.    Disagree
 Discuss Question
Answer: Option A. -> Agree


Question 436.
 
A diesel engine has compression ratio from
  1.    6 to 10
  2.    10 to 15
  3.    15 to 25
  4.    25 to 40
 Discuss Question
Answer: Option C. -> 15 to 25


Question 437.

The unit million electron volts (Mev) is commonly used to measure the nuclear energy.


  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True


Question 438.

The frictional power (F.P.) is given by


  1.    F.P. = B.P. - I.P.
  2.    F.P. = I.P. - B.P.
  3.    F.P. = B.P./I.P.
  4.    F.P. = I.P./B.P.
 Discuss Question
Answer: Option B. -> F.P. = I.P. - B.P.


Question 439.


A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be


  1.    stable under nuclear radiation
  2.    corrossion resistant
  3.    good thermal conductor
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these


Question 440.

The function of a distributor in a coil ignition system of I.C. engines is


  1.    to distribute spark
  2.    to distribute power
  3.    to distribute current
  4.    to time the spark
 Discuss Question
Answer: Option D. -> to time the spark


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