ISRO Scientist or Engineer Electrical 2017

Instructions

For the following questions answer them individually

Question 11

The power transformer is a

Video Solution

Question 12

A change of 5% in supply voltage to an induction motor will produce a change of approximately

Video Solution

Question 13

If the supply frequency to the transformer is increased, the iron loss

Video Solution

Question 14

The maximum temperature permitted for class A insulation is

Video Solution

Question 15

Two transformers connected in parallel share load in the ratio of their KVA ratings, provided their ohmic impedance are

Video Solution

Question 16

The high frequency hum in the transformers is mainly due to

Video Solution

Question 17

A 400/200 volts transformer has pu impedance of 0.05. The HV side voltage required to circulate full load current during short circuit test is

Video Solution

Question 18

Non-loading heat run test on transformers is performed by means of

Video Solution

Question 19

A three phase induction motor is driving full-load torque which is independent of speed. If the line voltage drops to 90% of the rated value, % increase in motor copper losses

Video Solution

Question 20

A synchronous generator is feeding power to infinite bus bars at unity power factor. Its excitation is now increased. It will feed

Video Solution

CAT Quant Questions | CAT Quantitative Ability

Linear Equations Inequalities Quadratic Equations Averages, Ratios & Proportions Profit & Loss Number Systems Time, Distance & Work Geometry Progressions & Series Probability Combinatorics Venn Diagrams Data Sufficiency Logarithms, Surds & Indices Functions, Graphs & Statistics Miscellaneous

CAT DILR Questions | LRDI Questions For CAT

DI Basics DI Charts Data Interpretation DI Data Change Over Period Tables With Missing Values DI Venn Diagrams DI Special Charts DI Maxima & Minima Quant-Based DI DI Connected Sets DI Miscellaneous LR Arrangement LR Selections With Conditions LR Coins & Weights LR Truth & Lie LR Puzzles LR Scheduling LR Games & Tournaments 2D & 3-D LR Quant-Based LR LR Miscellaneous

CAT Verbal Ability Questions | VARC Questions For CAT

Vocabulary Reading Comprehension (RC) Para Jumbles Para Completion and Summary Questions Grammar & Sentence Correction Critical Reasoning

CAT Content

ISRO Scientist or Engineer Electrical 2017

The power transformer is a

A change of 5% in supply voltage to an induction motor will produce a change of approximately

If the supply frequency to the transformer is increased, the iron loss

The maximum temperature permitted for class A insulation is

Two transformers connected in parallel share load in the ratio of their KVA ratings, provided their ohmic impedance are

The high frequency hum in the transformers is mainly due to

A 400/200 volts transformer has pu impedance of 0.05. The HV side voltage required to circulate full load current during short circuit test is

Non-loading heat run test on transformers is performed by means of

A three phase induction motor is driving full-load torque which is independent of speed. If the line voltage drops to 90% of the rated value, % increase in motor copper losses

A synchronous generator is feeding power to infinite bus bars at unity power factor. Its excitation is now increased. It will feed

Login to your Cracku account

Hello! 👋

Ready to Unlock Your Success?

Please Enter Your OTP

Please enter the following details

Create a free Cracku account

CAT Quant Questions | CAT Quantitative Ability

CAT DILR Questions | LRDI Questions For CAT

CAT Verbal Ability Questions | VARC Questions For CAT