GATE MN branch:mn PYQs & Answers — Page 48

Questions 471–480 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 48 of 65

If the sample statistic

is an unbiased estimator of the parameter

, then

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The vector sum of all the external forces acting on a rigid body is expressed as

and the vector sum of moments of the external forces about a point is given as

. The rigid body is in equilibrium if

Your answerChoose one option.

and

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For a regionalized variable

, at a lag distance

, the empirical semi-variogram

is given by

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The coefficient of variation of a dataset is defined as

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In project planning, the activity durations are calculated by PERT and CPM techniques assuming

Your answerChoose one option.

PERT: probabilistic, CPM: deterministic

PERT: probabilistic, CPM: probabilistic

PERT: deterministic, CPM: probabilistic

PERT: deterministic, CPM: deterministic

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Respirable dust in an underground coal mine contains 4.5% free silica. As per the CMR 2017, the maximum allowable respirable dust concentration, in mg/m

, in the mine air is

Your answerChoose one option.

1.5

2.0

2.5

3.0

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The purpose of rotating a whirling hygrometer in hygrometric survey is to

Your answerChoose one option.

wet the cotton wick with water thoroughly

maintain constant temperature of water in the container

create steady state evaporation of moisture from the wet bulb surface

prevent the heat produced by the cap lamp of the observer from affecting the readings

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Stone dust barriers in underground coal mines are used to arrest

Your answerChoose one option.

black damp explosions

air blast

firedamp explosions

coal dust explosions

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The correct sequence of attachments between the winding rope and the cage in a drum winding system is

Your answerChoose one option.

Triangular plate → Rope capel → Bull chain → Detaching hook → Cage chain

Rope capel → Bull chain → Triangular plate → Detaching hook → Cage chain

Detaching hook → Rope capel → Bull chain → Cage chain → Triangular plate

Rope capel → Detaching hook → Bull chain → Triangular plate → Cage chain

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The functions of automatic contrivances in a winding system are to prevent

Your answerChoose one option.

over-speeding and over-winding

slow banking and load balancing

over loading and load balancing

over-speeding and load balancing

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE MN branch:mn PYQs

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15