GATE Mechanical Engineering: Questions 36 - 40 of 68

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Question number: 36

» Fluid Mechanics & Thermal Sciences » Thermodynamics » First and Second Laws of Thermodynamics

Appeared in Year: 1999

MCQ▾

Question

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 number: 37

» Manufacturing and Industrial Engineering » Operation Research » PERT and CPM Models

Appeared in Year: 1997

MCQ▾

Question

A dummy activity is used in PERT network to describe

Choices

Choice (4) Response

a.

Resource restriction

b.

Precedence relationship

c.

Necessary time delay

d.

Resource idleness

Question number: 38

» Manufacturing and Industrial Engineering » Production and Control » Material Requirement Planning

Appeared in Year: 2004

MCQ▾

Question

The mechanism of material removal in EDM process is

Choices

Choice (4) Response

a.

Melting and Corrosion

b.

Melting and Evaporation

c.

Cavitation and Evaporation

d.

Erosion and Cavitation

Question number: 39

» Manufacturing and Industrial Engineering » Engineering Materials » Structure and Properties of Engineering Materials

Appeared in Year: 1998

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ List-Ⅱ

(A)

LBM

(i)

Melting and vaporization

(B)

EDM

(ii)

Erosion/Brittle fracture

(C)

USM

(iii)

Ion displacement

(D)

ECM

(iv)

vapourisation

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iii)
  • (ii)
  • (iv)

b.

  • (i)
  • (iv)
  • (ii)
  • (iii)

c.

  • (iv)
  • (i)
  • (ii)
  • (iii)

d.

  • (ii)
  • (iv)
  • (i)
  • (iii)

Question number: 40

» Fluid Mechanics & Thermal Sciences » Thermodynamics » First and Second Laws of Thermodynamics

Appeared in Year: 1993

MCQ▾

Question

An insulated rigid vessel contains a mixture of fuel and air. the mixture is ignited by a minute spark. the contents of vessel experience

Choices

Choice (4) Response

a.

increase in temperature, pressure and energy

b.

decrease in temperature, pressure and energy

c.

increase in temperature and pressure but no change in energy

d.

increase in temperature and pressure but decrease in energy

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