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 function of a radiator fan in the cooling system is that
A It blows air through the radiator when necessary
B It is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
C It cools the engine by blowing air onto the cylinder block
D It draws heat out of the engine compartment
Natural air cooling is generally restricted for transformers up to
A 1.5 MVA
B 5 MVA
C 15 MVA
D 50 MVA
Natural oil cooling is used for transformers up to a rating of
A 3000 kVA
B 1000 kVA
C 500 kVA
D 250 kVA
The capacity of computer memory is increasing exponentially . At the same time increased capacity is becoming available at cheaper rate. Two years ago 1GB RAM cost TK. 5,000. Now 4GB Ram is available at the same price. If this trend continues what capacity of RAM will you get for TK. 5,000 after 3 years time ?
A 32GB
B 80GB
C 60.72GB
D 76GB
Ahmad has containers of two different sizes. The total capacity of 16 containers of one size is x gallons,and the total capacity of 8 containers of the other size is also x gallons , and x> 0. In terms of x , what is the capacity, in gallons, of each of the larger containers?
A 4x
B 2x
C x/2
D x/8
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
A Unsaturated hydrocarbon content
B Calorific value
C Quantity of propane
D Quantity of butane
The power gain of a half-wave dipole with respect to an isotropic radiator is
A 2.15 db
B 3 db
C 4.15 db
D 6 db
The automobile radiator is a heat exchanger of
A Parallel flow type
B Counter flow type
C Cross flow type
D Regenerator type
Radiator of an automobile engine is a __________ type of heat exchanger.
A Co-current
B Cross-current
C Counter-current
D Direct contact

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