Carbon dioxide is
Question: Carbon dioxide is
[A].
colourless
odourless
non-flammable
all of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
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In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.
Question: In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.
[A].Correct [B].
Incorrect Answer: Option B
Explanation:
No answer description available for this question.
A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is
Question: A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is
[A].[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used ?
Question: A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used ?
[A].Pelton wheel with one nozzle [B].
Pelton wheel with two or more nozzles [C].
Kaplan turbine [D].
Francis turbine Answer: Option A
Explanation:
No answer description available for this question.
In order to prevent tool from rubbing the work __________ on tools are provided.
Question: In order to prevent tool from rubbing the work __________ on tools are provided.
[A].rake angles [B].
relief angles Answer: Option B
Explanation:
No answer description available for this question.
In a single effect evaporator, the economy is
Question: In a single effect evaporator, the economy is
[A].1 [B].
< 1 [C].
> 1 [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in _________________?
Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in _________________?A. electric heater
B. steam condenser
C. melting of ice
D. refrigerator condenser coils
E. boiler