Exam questions for Engineers
1. An Air Pre-heater is
installed-
a) Before the economizer b) before the super heater
c) Between the economizer and
chimney d) none of these
2. An economizer is generally
placed between -
a) Last super heater or re heater
and air pre- heater b) induced draft and forced draft fan
c) Air pre heater and chimney
d) none of these
3) All steam engines work on -
a) Zeroth law of thermodynamics
b) First law of thermodynamics
c) Second law of thermodynamics
d) none of these
4) A condenser in a steam power
plant-
a) Increases Expansion ratio of
steam b) reduces back pressure of steam
c) Reduces temperatures of
exhaust steam d) all of these
5) The material generally used
for cylinder sleeve is -
a) Aluminum b) Ceramic c) Cast
Iron d) Fiber Reinforced plastic
6) The natural gas is
compressed in a CNG cylinder at a pressure of -
a) 200 bar b) 220 bar c) 250
bar d) 300 bar
7) The firing order for an
In-Line four cylinder I.C. Engine is-
a) 1-2-3-4 b) 1-3-4-2 c)
1-4-3-2 d) 1-3-2-4
8) The two of cylinders in a ‘V’
type engine are generally arranged at a-
a) 45° b) 60°
c) 90° d) 130°
Answer: 1. (c) 2.
(a) 3. (c) 4. (d) 5. (c) 6. (a) 7. (b) 8. (b)
