DMRC JE Electrical Mock Test – 1

Which of the following is a renewable resource ?

Which of the following cities in India is considered greenest ?

The Idukki hydroelectric plant is on river : 

The average age of a husband and wife who were married 6 years ago was 20 years then. The average age of the family including the husband, the wife and the child which was born during the interval is 18 years now. How old is the child now ?

If the value of A is 3, that of B its square, that of C the square of B’s value and so on, what is the value of D ?

If ‘ACTOR’ is coded as ‘ZXGLI’ and ‘BOOK’ is coded as ‘YLLP’, then ‘PENCIL’ will be coded as :

Directions (Q.7-8) : In the following questions, out of the four alternatives, choose the one which best expresses the meaning of the given word.

Allure

Perish

Directions (Q.9-10) : In the following questions, choose the word opposite in meaning to the given word.

Malicious

Crooked

A 100 watt 100V lamp is to be operated on 250volt supply, the value of additional resistance to be connected in series will be :

Which type of connection in 3 phase transformer is used for the substation end of the transmission line :

What is the fuse rating of 10 HP, 3 Phase 415V squirrel cage inductor motor :

In a bridge rectifier the input and output connections are interchanged. What will happen if supply is switched on :

When testing an electric iron on megger, the reading of the megger is infinity. This indicates :

Which of following prevents the damage to a transformer due to lightning :

A three-phase induction motor has 2 poles and operates with a slip of 0.05 with 50 Hz supply for a certain load. The speed of the rotor with respect to stator is :

No load test on a three-phase squirrel cage induction motor at rated voltage is performed to obtain :

In a 60 km underground power transmission system, the best transmission system is :

The rated torque at starting with minimum possible stator current of a three-phase squirrel cage induction motor can be achieved by :