Placement paper
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ELGI Equipments Ltd. Placement Papers
Company Name : ELGI Equipments Ltd.
Website : http://www.elgi.com
ELGI PAPER
SET I:
1. The pressure p in terms of its mean kinetic energy/unit volume E is a .E/3 b.E/2 c.3E/4 d.2E/3 e.5E/4
2. Convert volumetric to gravitational, relative volume of each constituent of flue gas
a. %mw b. xmv c. me d. xsw e. %sw
3. Which is correct for reversible polytrophic process?
a. temperature constant b. density constant c. volume constant
d. entropy constant e. same heat transfer
4. if a gas or vapour allowed to expand through a minute hole
a. free expansion b. hyperbolic c. adiabatic expansion d. parabolic e. throttling
5. Minimum work of compressor is possible, when the adiabatic index is
a.0.75 b.1 c.1.27 d.1.35 e.2
6. Under ideal condition, isothermal, isochoric, adiabatic and isobaric are
a. static b. dynamic c. quan-static d. stable e. thermodynamic
7. If a heat engine attains 100% efficiency, then it is
a. zeroth law b. I law c. II law d. no e. all
8. If Q1 is the heat in source, Q2 is the cold sink for heat pump then COP
a. Q1 / (Q1- Q2) b. Q2 / (Q1- Q2) c. (Q1- Q2) / Q1
9. The output of diesel engine is increased if
a. more fuel b. flywheel size c. incoming air d. scavenging e. supercharging
10. Accumulation of carbon in the cylinder increases when
a. decrease in volume b. volumetric efficiency c. ignition time
d. effective compression ratio e. travel time
11. The most popular firing sequence
a.1234 b.1324 c.1423 d.1243 e.1342
12. for same power, same speed, flywheel of petrol and diesel engine are
a. smaller b. greater c. equal d. none
13. If petrol is used in diesel engine, then
a. higher knocking b. black smoke c. lot of fuel d. improper combustion
14. Ans .d) mechanical efficiency
15. Reciprocating compressor is used for
a. large
ELGI Equipments Ltd. Placement Papers
Company Name : ELGI Equipments Ltd.
Website : http://www.elgi.com
ELGI PAPER
SET I:
1. The pressure p in terms of its mean kinetic energy/unit volume E is a .E/3 b.E/2 c.3E/4 d.2E/3 e.5E/4
2. Convert volumetric to gravitational, relative volume of each constituent of flue gas
a. %mw b. xmv c. me d. xsw e. %sw
3. Which is correct for reversible polytrophic process?
a. temperature constant b. density constant c. volume constant
d. entropy constant e. same heat transfer
4. if a gas or vapour allowed to expand through a minute hole
a. free expansion b. hyperbolic c. adiabatic expansion d. parabolic e. throttling
5. Minimum work of compressor is possible, when the adiabatic index is
a.0.75 b.1 c.1.27 d.1.35 e.2
6. Under ideal condition, isothermal, isochoric, adiabatic and isobaric are
a. static b. dynamic c. quan-static d. stable e. thermodynamic
7. If a heat engine attains 100% efficiency, then it is
a. zeroth law b. I law c. II law d. no e. all
8. If Q1 is the heat in source, Q2 is the cold sink for heat pump then COP
a. Q1 / (Q1- Q2) b. Q2 / (Q1- Q2) c. (Q1- Q2) / Q1
9. The output of diesel engine is increased if
a. more fuel b. flywheel size c. incoming air d. scavenging e. supercharging
10. Accumulation of carbon in the cylinder increases when
a. decrease in volume b. volumetric efficiency c. ignition time
d. effective compression ratio e. travel time
11. The most popular firing sequence
a.1234 b.1324 c.1423 d.1243 e.1342
12. for same power, same speed, flywheel of petrol and diesel engine are
a. smaller b. greater c. equal d. none
13. If petrol is used in diesel engine, then
a. higher knocking b. black smoke c. lot of fuel d. improper combustion
14. Ans .d) mechanical efficiency
15. Reciprocating compressor is used for
a. large