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MCQs

Total Questions : 1058 | Page 69 of 106 pages
Question 681.


Water gas is obtained by passing air and a large amount of steam over waste coal at about `650^circ`C.


  1.    Correct
  2.    Incorrect
 Discuss Question
Answer: Option B. -> Incorrect


Question 682.

There is a loss of heat in an irreversible process.



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


Question 683.

The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called


  1.    specific heat at constant volume
  2.    specific heat at constant pressure
  3.    kilo Joule
  4.    none of these
 Discuss Question
Answer: Option A. -> specific heat at constant volume


Question 684.

The efficiency and work ratio of a simple gas turbine cycle are


  1.    low
  2.    very low
  3.    high
  4.    very high
 Discuss Question
Answer: Option B. -> very low


Question 685.

During throttling process


  1.    heat exchange does not take place
  2.    no work is done by expanding steam
  3.    there is no change of internal energy of steam
  4.    all of the above
  5.    entropy decreases.
 Discuss Question
Answer: Option D. -> all of the above



Question 686.

A load 'W is moving from left to right support on a simply supported
beam of span T. The maximum bending moment at 0.4 1 from the left
support is 


  1.    0.16 Wl
  2.    0.20 Wl
  3.    0.24 Wl
  4.    0.25 Wl
 Discuss Question
Answer: Option C. -> 0.24 Wl



Question 687.

A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as


  1.    Carnot cycle
  2.    Stirling cycle
  3.    Otto cycle
  4.    Diesel cycle
 Discuss Question
Answer: Option D. -> Diesel cycle


Question 688.

An ideal gas as compared to a real gas at very high pressure occupies


  1.    more volume
  2.    less volume
  3.    same volume
  4.    unpredictable behavior
  5.    no such correlation.
 Discuss Question
Answer: Option A. -> more volume


Question 689.

Which of the following methods of structural analysis is a force method ? 


  1.    slope deflection method
  2.    column analogy method
  3.    moment distribution method
  4.    none of the above
 Discuss Question
Answer: Option B. -> column analogy method



Question 690.

Degree of kinematic indeterminacy of a pin-jointed plane frame is given by 


  1.    2j - r
  2.    j-2r
  3.    3j - r
  4.    2j+r
 Discuss Question
Answer: Option A. -> 2j - r


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