GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering: Questions 55 - 59 of 170

Access detailed explanations (illustrated with images and videos) to 170 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 150.00 -OR-

How to register? Already Subscribed?

Question 55

First and Second Laws of Thermodynamics

Appeared in Year: 1999

Question

MCQ▾

An isolated thermodynamic system executes a process, choose the correct statement (s) form the following

Choices

Choice (4)Response

a.

No heat is transferred

b.

No work is done

c.

No mass flows across the boundary of the system

d.

All b., c. and a. are correct

Question 56

Appeared in Year: 1997

Question

MCQ▾

A dummy activity is used in PERT network to describe

Choices

Choice (4)Response

a.

Resource idleness

b.

Precedence relationship

c.

Necessary time delay

d.

Resource restriction

Question 57

Appeared in Year: 2004

Question

MCQ▾

The mechanism of material removal in EDM process is

Choices

Choice (4)Response

a.

Melting and Evaporation

b.

Erosion and Cavitation

c.

Cavitation and Evaporation

d.

Melting and Corrosion

Question 58

Appeared in Year: 2006

Question

MCQ▾

An expendable pattern is used in

Choices

Choice (4)Response

a.

Slush casting

b.

Centrifugal casting

c.

Squeeze casting

d.

Investment casting

Question 59

Appeared in Year: 2001

Question

MCQ▾

Shrinkage allowance on pattern is provided to compensate for shrinkage when

Choices

Choice (4)Response

a.

The temperature of liquid metal drops from pouring to freezing temperature

b.

The temperature of metal drops from pouring to room temperature

c.

The temperature of solid phase drops from freezing to room temperature

d.

The metal changes from liquid to solid state at freezing temperature

Developed by: