71. Which of the following substance will have same percentage in both proximate and ultimate analysis
(a) ash
(b) volatile matter
(c) moisture
(d) hydrogen
(e) none of the above.
Ans: a
72. The number of flue tubes in Lancashire boiler is
(a) zero
(b) one
(c) two
(d) four
(e) many.
Ans: c
73. Which of the following is a fire tube boiler
(a) locomotive boiler
(b) Babcock and Wilcox boiler
(c) Stirling boiler.
(d) all of the above
(e) none of the above.
Ans: a
74. Which of the following is a water tube boiler
(a) locomotive boiler
(b) Cochran boiler
(c) Cornish boiler
(d) Babcock and Wilcox boiler
(e) Lancashire boiler.
Ans: d
75. The diameter of cylindrical shell of the Lancashire boiler is of the order of
(a) 1 tp 1.25m
(b) 1 to 1.75 m
(c) 2 to 4 m
(d) 1.75 to 2.75 m
(e) 2.25 to 4.5 m.
Ans: d
76. A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are
(a) supplied by same manufacturer loose and assembled at site
(b) supplied mounted on a single base
(c) purchased from several parties and packed together at site
(d) packaged boiler does not exist
(e) none of the above.
Ans: b
77. The biggest size of thermal power unit operating in India is
(a) 30 MW
(b) 60 MW
(c) 100 MW
(d) 210 MW
(e) 500 MW.
Ans: e
78. Which of the following coals has the highest calorific value
(a) anthracite coal
(b) bituminous coal
(c) lignite
(d) peat
(e) wood.
Ans: a
79. The high pressure boiler is oiie producing steam at a pressure more than
(a) atmospheric pressure
(b) 5 kg/cm2
(c) 10 kg/cm2
(d) 40 kg/cm2
(e) 75-80 kg/cm2.
Ans: e
80. The crown of the fire box is made hemispherical in order to
(a) give maximum space
(b) give maximum strength
(c) withstand pressure inside boiler ,
(d) resist intense heat in fire box
(e) enable easy,manufacture.
Ans: d
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(a) ash
(b) volatile matter
(c) moisture
(d) hydrogen
(e) none of the above.
Ans: a
72. The number of flue tubes in Lancashire boiler is
(a) zero
(b) one
(c) two
(d) four
(e) many.
Ans: c
73. Which of the following is a fire tube boiler
(a) locomotive boiler
(b) Babcock and Wilcox boiler
(c) Stirling boiler.
(d) all of the above
(e) none of the above.
Ans: a
74. Which of the following is a water tube boiler
(a) locomotive boiler
(b) Cochran boiler
(c) Cornish boiler
(d) Babcock and Wilcox boiler
(e) Lancashire boiler.
Ans: d
75. The diameter of cylindrical shell of the Lancashire boiler is of the order of
(a) 1 tp 1.25m
(b) 1 to 1.75 m
(c) 2 to 4 m
(d) 1.75 to 2.75 m
(e) 2.25 to 4.5 m.
Ans: d
76. A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are
(a) supplied by same manufacturer loose and assembled at site
(b) supplied mounted on a single base
(c) purchased from several parties and packed together at site
(d) packaged boiler does not exist
(e) none of the above.
Ans: b
77. The biggest size of thermal power unit operating in India is
(a) 30 MW
(b) 60 MW
(c) 100 MW
(d) 210 MW
(e) 500 MW.
Ans: e
78. Which of the following coals has the highest calorific value
(a) anthracite coal
(b) bituminous coal
(c) lignite
(d) peat
(e) wood.
Ans: a
79. The high pressure boiler is oiie producing steam at a pressure more than
(a) atmospheric pressure
(b) 5 kg/cm2
(c) 10 kg/cm2
(d) 40 kg/cm2
(e) 75-80 kg/cm2.
Ans: e
80. The crown of the fire box is made hemispherical in order to
(a) give maximum space
(b) give maximum strength
(c) withstand pressure inside boiler ,
(d) resist intense heat in fire box
(e) enable easy,manufacture.
Ans: d
Read More Steam Boilers & Nozzles and Turbines Questions and Answers
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