The average speed of a train is independent of:
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Energy consumption in propelling the train is required for:
The least significant feature while selecting a motor for centrifugal pump is:
The load cycle for a motor driving a power press will be:
The luminous efficiency of a sodium vapour lamp is:
The fluorescent tube is coated form inside with a thin layer of fluorescent material in the form of powder in order to:
The light of fluorescent tube appears cooler than that from an incandescent lamp. This is due that fact that:
The electric resistance welding has the advantages of:
The basic electrical requirement in the arc welding is that there should be:
Hysteresis loss and eddy current loss are used in:
In induction heating, which of the following is of high value?
In an arc furnace, the choke is provided to:
Which is a process by which the purity of metal extracted from their ores can be improved?
The spongy coating of electroplating speaks of:
The solid angle subtended at the centre of a hemisphere of radius r will be: