Related Questions

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.
A Wet bulb
B Dry bulb
C Saturation
D Dew point
Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan
A With greater number of blades
B Of increased diameter
C Both A & B
D Neither A nor B
The dance in Himachal Pradesh, performed indoor, solo or duet, especially when life comes to a standstill during cold winter is
A Rouf
B Munzra
C Giddha parhaun
D Luddi dance
'Bring to a standstill' means _____ .
A standing abruptly
B transforming
C examining carefully
D making something motionless
Heating wet steam at constant temperature is heating it at constant
A Volume
B Pressure
C Entropy
D Enthalpy
Imran is worse than Farid, Ali better than Imran, Moni is better than Farid, Among them who is the best?
A Imran
B Farid
C Monir
D Cannot be determined
If the atmospheric air is cooled because of expansion, the cooling is known as
A Adiabatic
B Lapse rate
C Alto-cooling
D Inverse cooling
Synchronous motors are generally not self-starting because
A the direction of rotation is not fixed
B the direction of instantaneous torque reverses after half cycle
C startes cannot be used on these machines
D starting winding is not provided on the machines
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors?
A Low cost
B Wide speed range
C Stability
D High starting torque
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.

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