GATE Mechanical Engineering: Questions 41 - 45 of 68

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Question number: 41

» Manufacturing and Industrial Engineering » Production and Control » Forecasting Models

Appeared in Year: 1997

MCQ▾

Question

Democracy is considered good when the economic growth rate and standard of living are low.

Choices

Choice (4) Response
a.

Mean square error

b.

Mean absolute percentage error

c.

Mean standard error

d.

Mean absolute deviation

Question number: 42

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

Appeared in Year: 2009

MCQ▾

Question

If a closed system is undergoing an irreversible process, the entropy of system

Choices

Choice (4) Response
a.

must increase

b.

can increase, decrease or remain constant

c.

must decrease

d.

always remains constant

Question number: 43

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

Appeared in Year: 2007

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ (Parts) List-Ⅱ (Manufacturing Processes)

(A)

Glass

(i)

Ultrasonic Machining

(B)

Metal forming dies and moulds

(ii)

Electro-discharge Machining

(C)

Turbine blade

(iii)

Electrochemical Machining

(D)

Computer chip

(iv)

Photochemical Machining

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)
a.
  • (ii)
  • (iii)
  • (i)
  • (iv)
b.
  • (i)
  • (ii)
  • (iii)
  • (iv)
c.
  • (i)
  • (iii)
  • (ii)
  • (iv)
d.
  • (i)
  • (iv)
  • (ii)
  • (iii)

Question number: 44

» Manufacturing and Industrial Engineering » Engineering Materials » Stress and Strain Diagrams for Engineering Materials

Appeared in Year: 1990

MCQ▾

Question

When one percent plane carbon steel is slowly cooled from the molten state to 740 Celsius, the resulting structure will contain

Choices

Choice (4) Response
a.

austenite and cementite

b.

ferrite and cementite

c.

pearlite and cementite

d.

austenite and ferrite

Question number: 45

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

Appeared in Year: 1999

MCQ▾

Question

In Electro-Discharge Machining (EDM), the tool is made of

Choices

Choice (4) Response
a.

Copper

b.

Plain Carbon Steel

c.

High Speed Steel

d.

Cast Iron

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