Related Questions

A hammer and a screwdriver currently have the same price. If the price of a hammer rises by 6% and the price of a screwdriver goes up by 4%, how much more will it cost to buy 1 hammer and 1 screwdriver?
A 5%
B 10%
C 24%
D 40%
Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the
A Pipe length
B Fluid velocity in the pipe
C Time taken to close the valve
D All of the above
Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same.
A Compressibility
B Molecular weight
C Humidity
D None of these
According to National Building Code, the hydrants in water mains is provided at minimum interval of
A 50 m
B 60 m
C 75 m
D 90 m
When the reduced level of the water source is higher than the reduced level of the consumer's place, water is generally supplied
A By pumping system
B By gravitational system
C Both (A) and (B)
D All the above
The distribution mains are designed for
A Maximum daily demand
B Maximum hourly demand
C Average daily demand
D Maximum hourly demand on maximum day
Mains a.c. power is converrted into d.c. power for ___________
A lighting purposes
B heaters
C using in electronic equipment
D none of the above
If two gases have same reduced temperature and reduced pressure, then they will have the same
A Volume
B Mass
C Critical temperature
D None of these
Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates
A Use of only one graph for all gases
B Covering of wide range
C Easier plotting
D More accurate plotting
With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure
A Increases
B Decreases
C Remains same
D Decreases linearly

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