10,000+ General Knowledge Questions and Answers 2023 - 2

Question: 6

The speed of a universal motor is commonly reduced by using

(A) gearing

(B) belts

(C) chains

(D) brakes

Question: 7

Nichrome is commonly used for

(A) transformer windings

(B) lamp filaments

(C) battery plates

(D) battery connections

Question: 8

Henry is the unit of

(A) capacitance

(B) magnetic

(C) resistance

(D) inductance

Question: 9

The standard deviation is

(A) a measure of dispersion

(B) one half of the mode

(C) similar to the median

(D) an average variation

Question: 10

A thermocouple instrument would be useful for current measurements at

(A) very low frequencies

(B) low frequencies

(C) dc voltages

(D) high frequencies