Chemical Engineering Gate Yearwise 


Chemical Engineering Gate 2013 Questions with Answer

Ques 27 GATE 2013

For a Newtonian fluid flowing in a circular pipe under steady state conditions in fully developed laminar flow, the Fanning friction factor is

A

0.046 Re-0.2

B

0.0014+0.125/Re0.32

C

16/Re

D

24/Re


(c) is the correct answer.

Ques 28 GATE 2013

Water (density 1000 kg/m3) is flowing through a nozzle, as shown below and exiting to the atmosphere. The relationship between the diameters of the nozzle at locations 1 and 2 is D1=4 D2. The average velocity of the stream at location 2 is 16 m/s and the frictional loss between location 1 and location 2 is 10000 Pa. Assuming steady state and turbulent flow, the gauge pressure in Pa, at location 1 is


(119500) is the correct answer.

Ques 29 GATE 2013

The number of emails received on six consecutive days is 11, 9, 18, 18, 4 and 15, respectively. What are the median and the mode for these data?

A

18 and 11, respectively

B

13 and 18, respectively

C

13 and 12.5, respectively

D

12.5 and 18, respectively


(d) is the correct answer.

Ques 30 GATE 2013

For two rolls of a fair die, the probability of getting a 4 in the first roll and a number less than 4 in the second roll, up to 3 digits after the decimal point, is


(0.167) is the correct answer.

Ques 31 GATE 2013

If 3≤ X≤5 and 8≤ Y≤11 then which of the following options is TRUE?

A

3/5≤X/Y≤8/5

B

3/11≤X/Y≤5/8

C

3/11≤X/Y≤8/5

D

3/5≤X/Y≤8/11


(b) is the correct answer.

Ques 32 GATE 2013

The Headmaster _______ to speak to you.
Which of the following options is incorrect to complete the above sentence?

A

is wanting

B

wants

C

want

D

was wanting


(c) is the correct answer.

Ques 33 GATE 2013

Mahatama Gandhi was known for his humility as

A

he played an important role in humiliating exit of British from India.

B

he worked for humanitarian causes.

C

he displayed modesty in his interactions.

D

he was a fine human being.


(c) is the correct answer.

Ques 34 GATE 2013

Which of the above underlined parts of the sentence is not appropriate?

A

I

B

II

C

III

D

IV


(c) is the correct answer.

Ques 35 GATE 2013

Velocity of an object fired directly in upward direction is given by V=80-32t where t (time) is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?

A

(1,3/2)

B

(1/2,1)

C

(1/2,3/2)

D

(1, 3)


(b) is the correct answer.

Ques 36 GATE 2013

Select the pair that best expresses a relationship similar to that expressed in the pair:
water: pipe::

A

cart: road

B

electricity: wire

C

sea: beach

D

music: instrument


(b) is the correct answer.

Ques 37 GATE 2013

In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a randomly drawn autocomponent from the combined lot is found defective, what is the probability that it was manufactured by M2?

A

0.35

B

0.45

C

0.5

D

0.4


(c) is the correct answer.

Ques 38 GATE 2013

Following table gives data on tourists from different countries visiting India in the year 2011.

CountryNumber of Tourists
USA2000
England3500
Germany1200
Italy1100
Japan2400
Australia2300
France1000

Which two countries contributed to the one third of the total number of tourists who visited India in 2011?

A

USA and Japan

B

USA and Australia

C

England and France

D

Japan and Australia


(d) is the correct answer.

Ques 39 GATE 2013

If |-2X+9|=3 then the possible value of |-X|-X2 would be:

A

30

B

-30

C

-42

D

42


(c) is the correct answer.

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