Placement Paper Electronics And Electrical 07 October 2012 by HAL

Details of Placement Paper Electronics And Electrical 07 October 2012 by HAL conducted by HAL for job interview.
HAL Management Trainee Written test Pattern
Written test mode : On line Test
Written Test Type-Objective
Time limit : 2 1/2 Hours
No of Questions :160
Total Parts-3
Part-1
No of Questions-20 (General Awareness)
Part -2-
No of questions-40 (English and Reasoning)

Part-3
No of Questions :100 (Concerned Discipline)


HAL electronics and electrical questions with answers

1. When length of a wire increases its resistance

a. doubles b. half c. remains same

Ans: ( a )

2. When a 50 Hz ,6-pole Induction Motor runs at 975rpm,the rotor emf frequency is

a. 12.5Hz b. 1.25Hz c. 4Hz

Ans: ( b )

3. When a 6 pole 50Hz Induction Motor runs at 1450 rpm , its working mode is

a. motoring b. braking c. generating

Ans: ( a )

4. Slips for Different modes of operation of Induction Motor are

answer: motoring -0