Related Questions

Two transformers are connected in parallel. These transformers do not have equal percentage impedance. This is likely to result in
A short-circuiting of the secondaries
B power factor of one of the transformers is leading while that of the other lagging
C transformers having higher copper losses will have negligible core losses
D loading of the transformers not in proportion to their kVA ratings
The usual values of maximum flux densities for distribution transformers using hot rolled silicon steel are
A 0.5 to 0.8 Wb/m2
B 0.8 to 1.0 Wb/m2
C 1.1 to 1.35 Wb/m2
D 1.4 to 1.8 Wb/m2
Distribution transformers are generally designed for maximum efficiency around
A 90% load
B Zero load
C 25% load
D 50% load
2 large and 1 small pumps can fill a water tank in 4 hours. 1 large and 3 small pumps can also fill the same water tank in 4 hours . How many hours will it take for 3 large 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours
2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours
The solid brick shown is made of small square shaped bricks of side 1. when the large brick is disassembled into its component small bricks. the total surface area of all the small bricks is how much greater than the surface area of the large brick?
A 32
B 40
C 60
D 72
Insurance refers to protection against an event that _________ happen whereas Assurance refers to protection against an event that _________ happen.
A May, may not
B Might, will
C Must, need not
D Will, will not
The processing, which normally consists of a small computer with one or more peripheral devices, connected via a high-speed line to the large control computer is known as
A On-line processing
B Remote-terminal processing
C Batch mode processing
D Intelligent terminal Processing
E None of the above
The type of water filter normally employed/ preferred for treating small quantities of water in railway stations and individual industries is the __________ filter.
A Rapid sand
B Pressure
C Gravity
D Slow sand
Regenerators are normally provided in the
A Glass melting furnace
B Open hearth furnace
C By product coke ovens
D All of the above

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