The mcrease in heat dissipation by air blasts is due to increase in______________?

Related Mcqs:

The length cf air gap to be provided in __________ is primarily determined by power factor consideration?

A. d.c. series motor . B. d.c. shunt motor C. induction motor D. synchronous motor...

Machines cooled by direct cooling method may be called_____________?

A. “supercharged” B. “inner cooled” C. “conductor cooled” D. any of the above...

Dummy coil should not be used in_________________?

A. small machines B. large machines C. either A. or B. D. none of the above...

is usually used for brush rockers____________?

A. Mild steel B. Copper C. Aluminium D. Cast-iron...

The high voltage winding is usually which of the following type ?

A. Cylindrical winding with circular conductors B. Cross-over winding with either circular or small rectangular conductors C. Continuous disc type winding with rectangular conductors D. All of the above types...