Placement Papers - Adani Power
Adani Power Limited(Mechanical Eng.) Interview Questions - January 12, 2012
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ADANI TECHNICAL PAPER MECHANICAL ENGINEERING 2012.
30 MIN 75 technical QUESTIONS (so remember these answers as possible as possible.
(sorry all the answers may be not correct in the question in which option is given. ).
1) IF THE SUCTION PRESSURE OF THE COMPRESSOR OF THE REFRIGRATOR IS REDUCED, THEN EFFECT UPON REFRIGRENT EFFECT?
(PROBABLY REDUCED REFRIGRANT EFFECT).
2) CHIESELS CUTTING EDGE TO CUT THE STELL sheet.
A) hardening and tempering.
B) tempering and annealing.
C) hardening and annealing.
D) annealing.
3) what effect least on balloon lift?
A) Pressure.
B) Temp rise of inner air due to solar radiation.
C) Relative humidity.
D) atm temp.
4) which refrigerant have the highest critical temp.
Like Freon, R-12, R-22.
5) At which point the specific density difference of the steam and water is least?
Ans: critical temp.
6) Crowning of the pulley is required for the.
Answer:so belt doesn't slip on the pulley.
7) which can be treated for partial pressure of Dalto's law.
A) co2 and o2.
B) so2 and o2.
C) steam and o2.
D) all of them (ans).
8) what is a foil?
Answer cooled rolling of al sheet.
9) which has unit?
1) entropy (ans).
2) efficiency.
3) biot number.
10) If the bars diameter ratio is 2:1 and the length ratio is 1:2 then the elongation ratio for the same force will be.
A) 1:8 (ans).
11) if we very compression ratio will be least affected.
A) thermal efficiency.
B) mechanical efficiency (ans).
C) air standard efficiency.
12) what is a fraud number?
Ans: use the net.
13) The fraud number is the ratio of?
14) if length, tensile force, Poisson ratio modulus of rigidity = given.
Then find the deflection.
15) what is affected by cavitations?
A) surface roughness (ans).
16) what is affect the buoyancy force?
Ans: Immersed length.
17) if the ball has the same mass p and q, p rolling on a slant surface having 4 cm height and 5 cm width and other q free flow from 3 cm. What is the work done relation between them?
A) p&q.
B) q<p.
C) q=0.
D) p and q=0.
18) for the boundary layer.
Ans: The first layer of the boundary layer has velocity zero.
19) Bernoulli's equation is valid for.
A) rotational.
B) steady (ans).
20) relative specific speed of the Francis Nf, relative specific speed of Kaplan the Nk, relative specific speed of the Pelton Np.
Ans: Np<Nf<Nk.
21) hydraulic reaction turbines efficiency equation.
Answer: find out on the net.
22) if the cu plate extension is held in a steel shaft hole then loosen plate.
It is required.
A) heat cu plate (ans).
B) steel shaft hole.
C) assembly.
D) none.
23) what spline shaft is used for?
30 MIN 75 technical QUESTIONS (so remember these answers as possible as possible.
(sorry all the answers may be not correct in the question in which option is given. ).
1) IF THE SUCTION PRESSURE OF THE COMPRESSOR OF THE REFRIGRATOR IS REDUCED, THEN EFFECT UPON REFRIGRENT EFFECT?
(PROBABLY REDUCED REFRIGRANT EFFECT).
2) CHIESELS CUTTING EDGE TO CUT THE STELL sheet.
A) hardening and tempering.
B) tempering and annealing.
C) hardening and annealing.
D) annealing.
3) what effect least on balloon lift?
A) Pressure.
B) Temp rise of inner air due to solar radiation.
C) Relative humidity.
D) atm temp.
4) which refrigerant have the highest critical temp.
Like Freon, R-12, R-22.
5) At which point the specific density difference of the steam and water is least?
Ans: critical temp.
6) Crowning of the pulley is required for the.
Answer:so belt doesn't slip on the pulley.
7) which can be treated for partial pressure of Dalto's law.
A) co2 and o2.
B) so2 and o2.
C) steam and o2.
D) all of them (ans).
8) what is a foil?
Answer cooled rolling of al sheet.
9) which has unit?
1) entropy (ans).
2) efficiency.
3) biot number.
10) If the bars diameter ratio is 2:1 and the length ratio is 1:2 then the elongation ratio for the same force will be.
A) 1:8 (ans).
11) if we very compression ratio will be least affected.
A) thermal efficiency.
B) mechanical efficiency (ans).
C) air standard efficiency.
12) what is a fraud number?
Ans: use the net.
13) The fraud number is the ratio of?
14) if length, tensile force, Poisson ratio modulus of rigidity = given.
Then find the deflection.
15) what is affected by cavitations?
A) surface roughness (ans).
16) what is affect the buoyancy force?
Ans: Immersed length.
17) if the ball has the same mass p and q, p rolling on a slant surface having 4 cm height and 5 cm width and other q free flow from 3 cm. What is the work done relation between them?
A) p&q.
B) q<p.
C) q=0.
D) p and q=0.
18) for the boundary layer.
Ans: The first layer of the boundary layer has velocity zero.
19) Bernoulli's equation is valid for.
A) rotational.
B) steady (ans).
20) relative specific speed of the Francis Nf, relative specific speed of Kaplan the Nk, relative specific speed of the Pelton Np.
Ans: Np<Nf<Nk.
21) hydraulic reaction turbines efficiency equation.
Answer: find out on the net.
22) if the cu plate extension is held in a steel shaft hole then loosen plate.
It is required.
A) heat cu plate (ans).
B) steel shaft hole.
C) assembly.
D) none.
23) what spline shaft is used for?
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