Electrical Engineering

(a) 19.60kW

(b) 9.80kW

(c) 4.45kW

(d) 2.90kW

(a) 7/75*0.736 wQHη

(b) 75*0.736 wQHη

(c) 75/0.736 wQHη

(d) 0.736/75 wQHη

(a) type of turbine, type of dam and type of catchment area.

(b) discharge, head and system efficiency.

(c) type of dam, head and system efficiency.

(d) type of dam, type of catchment area and discharge.

(a) diesel power plants.

(b) nuclear power plants.

(c) hydroelectric power plants.

(d) steam power plants.

(a) 50000MW

(b) 200000MW

(c) 175000MW

(d) 125000MW

(a) none.

(b) Tidal power.

(c) Wave power.

(d) Ocean currents.

(a) Solar.

(b) Geothermal.

(c) Tidal.

(d) Wind.

(a) none.

(b) wood, animal waste and agriculture wastes.

(c) solar, wind, biomass.

(d) fossil fuee, water and radioactive substance.

(a) all.

(b) skin effect is better as the conductor are tubular, specially in case of high frequency.

(c) the surface area of multistrand cable is more as compared to the surface area of equivalent single solid conductor, so heat radiating

(d) the multistrand cables are more flexible and durable and therefore, can be handled conveniently.

(a) all.

(b) of good mechanical properties of PVC.

(c) PVC is less costly.

(d) PVC is inert to oxygen and almost inert to oils and to many alkalines and acids.