# GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering: Questions 22 - 26 of 68

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## Question number: 22

MCQ▾

### Question

Which of the following materials requires the largest shrinkage allowance, while making a pattern for casting?

### Choices

Choice (4) Response

a.

Aluminium

b.

Plain Carbon Steel

c.

Brass

d.

Cast Iron

## Question number: 23

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

Appeared in Year: 2008

MCQ▾

### Question

A moving average system is used for forecasting weekly demand.

F 1 (t) and F 2 (t) are sequences of forecasts with parameters m 1 and m 2,

respectively, where m 1 and m 2 (m 1 > m 2) denote the numbers of

weeks over which the moving averages are taken. The actual

demand shows a step increase from d 1 to d 2 at a certain time.

Subsequently,

### Choices

Choice (4) Response

a.

F 2 (t) will attain the value d 2 before F 1 (t)

b.

sequences F 1 (t) and F 2 (t) will reach d 2 in the same period

c.

F 1 (t) will attain the value d 2 before F 2 (t)

d.

Neither F 1 (t) nor F 2 (t) will catch up with the value d 2

## Question number: 24

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

Appeared in Year: 2011

MCQ▾

### Question

Heat and work are

### Choices

Choice (4) Response

a.

extensive properties

b.

path functions

c.

intensive properties

d.

point functions

## Question number: 25

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

Appeared in Year: 1995

MCQ▾

### Question

The manufacturing area of a plat is divided into four quadrants. Four machines have to be located, one in each quadrant. The total number of possible layouts is:

### Choices

Choice (4) Response

a.

8

b.

4

c.

16

d.

24

## Question number: 26

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

Appeared in Year: 1997

MCQ▾

### Question

Inter electrode gap in ECG is controlled by

### Choices

Choice (4) Response

a.

Controlling the texture of the work piece

b.

Controlling the size of diamond particle in the wheel

c.

Controlling the pressure of electrolyte flow

d.