MCQ ON LOGIC GATES

LOGIC GATES MCQ Objective Questions Short notes Objective questions (Answers are given below) A logic gate is an electronic circuit which(a) makes logic decision(b) allows electron flow only in one direction(c) works on binary algebra(d) alternates between 0 and 1 values. In positive logic, logic state 1 corresponds to(a) positive voltage(b) higher voltage level(c) zero … Read more

ELECTRONICS INSTRUMENTS

Objective Questions Short notes Objective questions (Answers are given below) Digital instruments are those which(a) have numerical readout(b) use LED or LCD displays(c) have a circuitry of digital design(d) use deflectioin type meter movement. The main difference between the electronic andelectrical instruments is that an electronic instrumentcontains(a) an electronic device (b) a transducer(c) a digital … Read more

INDUSTRIAL APPLICATIONS OF ELECTRIC MOTORS

Objective Questions Short notes Objective questions (Answers are given below) A steel mill requires a motor having highstarting torque, wide speed range and precisespeed control. Which one of the followingmotors will you choose ?(a) d.c. shunt motor(b) synchronous motor(c) d.c. series motor(d) slip-ring induction motor. Heavy-duty steel-works cranes which havewide load variations are equipped with…………….. … Read more

ELECTRIC TRACTION

Objective Questions Short notes Objective questions (Answers are given below) Diesel electric traction has comparatively limitedoverload capacity because(a) diesel electric locomotive is heavier than aplain electric locomotive(b) diesel engine has shorter life span(c) diesel engine is a constant-kW outputprime mover(d) regenerative braking cannot be employed. The most vital factor against electric tractionis the(a) necessity of … Read more

MCQ ON DISTRIBUTION AUTOMATION

DISTRIBUTION AUTOMATION MCQ Objective Questions Short notes Objective questions (Answers are given below) Need based energy management is better thandemand based energy management(a) true (b) false Round the clock power is required to(a) agricultural uses(b) shift based industries(c) commercial organisations(d) essential services Need based energy management would include(a) plan power generation as per forecast(b) monitor … Read more