Mechanical Engineering Gate 2015 Set-2 Questions with Answer

Ques 14 GATE 2015 SET-2

For a fully developed laminar flow of water (dynamic viscosity 0.001 Pa-s) through a pipe of radius 5 cm, the axial pressure gradient is -10 Pa/m. The magnitude of axial velocity (in m/s) at a radial location of 0.2 cm is ________.

Ques 15 GATE 2015 SET-2

If the fluid velocity for a potential flow is given by V(x,y) = u(x,y)i + v(x,y)j with usual notations, then the slope of the potential line at (x,y) is

Ques 16 GATE 2015 SET-2

Within a boundary layer for a steady incompressible flow, the Bernoulli equation

Ques 17 GATE 2015 SET-2

Choose the most appropriate word from the options given below to complete the following sentence.
If the athlete had wanted to come first in the race, he ________ several hours every day.

Ques 18 GATE 2015 SET-2

Choose the most suitable one word substitute for the following expression:
Connotation of a road or way

Ques 19 GATE 2015 SET-2

Choose the correct verb to fill in the blank below:
Let us ________.

Ques 20 GATE 2015 SET-2

Find the missing sequence in the letter series below:
A, CD, GHI, ?, UVWXY

Ques 21 GATE 2015 SET-2

If x > y > 1, which of the following must be true?
i. ln x > ln y
ii. e^x > e^y
iii. y^x > x^y
iv. cos x > cos y

Ques 22 GATE 2015 SET-2

Ram and Shyam shared a secret and promised to each other that it would remain between them. Ram expressed himself in one of the following ways as given in the choices below. Identify the correct way as per standard English.

Ques 23 GATE 2015 SET-2

In the following question, the first and the last sentence of the passage are in order and numbered 1 and 6. The rest of the passage is split into 4 parts and numbered as 2, 3, 4, and 5. These 4 parts are not arranged in proper order. Read the sentences and arrange them in a logical sequence to make a passage and choose the correct sequence from the given options.
1. On Diwali, the family rises early in the morning.
2. The whole family, including the young and the old enjoy doing this.
3. Children let off fireworks later in the night with their friends.
4. At sunset, the lamps are lit and the family performs various rituals.
5. Father, mother, and children visit relatives and exchange gifts and sweets.
6. Houses look so pretty with lighted lamps all around.

Ques 24 GATE 2015 SET-2

From a circular sheet of paper of radius 30 cm, a sector of 10% area is removed. If the remaining part is used to make a conical surface, then the ratio of the radius and height of the cone is ________.

Ques 25 GATE 2015 SET-2

log tan 1° + log tan 2° + ... + log tan 89° is...

Ques 26 GATE 2015 SET-2

Ms. X will be in Bagdogra from 01/05/2014 to 20/05/2014 and from 22/05/2014 to 31/05/2014. On the morning of 21/05/2014, she will reach Kochi via Mumbai.
Which one of the statements below is logically valid and can be inferred from the above sentences?