Chemical Engineering Gate 2015 Questions with Answer

Ques 27 GATE 2015

Choose the most appropriate word from the options given below to complete the following sentence.

The principal presented the chief guest with a ____________, as token of appreciation.

Ques 28 GATE 2015

Choose the appropriate word/phrase, out of the four options given below, to complete the following sentence:
Frogs ________________.

Ques 29 GATE 2015

Choose the word most similar in meaning to the given word:
Educe

Ques 30 GATE 2015

Operators □, ◊ and → are defined by:
𝑎□𝑏=(𝑎−𝑏)/(𝑎+𝑏),𝑎 ◊𝑏=(𝑎+𝑏)/(𝑎−𝑏),𝑎→𝑏=𝑎𝑏
Find the value of (66□6)→(66◊6).

Ques 31 GATE 2015

If log_x (5/7) = -1/3, then the value of x is

Ques 32 GATE 2015

The following question presents a sentence, part of which is underlined. Beneath the sentence you find four ways of phrasing the underlined part. Following the requirements of the standard written English, select the answer that produces the most effective sentence. Tuberculosis, together with its effects, ranks one of the leading causes of death in India.

Ques 33 GATE 2015

Read the following paragraph and choose the correct statement.
Climate change has reduced human security and threatened human well being. An ignored reality of human progress is that human security largely depends upon environmental security. But on the contrary, human progress seems contradictory to environmental security. To keep up both at the required level is a challenge to be addressed by one and all. One of the ways to curb the climate change may be suitable scientific innovations, while the other may be the Gandhian perspective on small scale progress with focus on sustainability.

Ques 34 GATE 2015

Fill in the missing value

Ques 35 GATE 2015

A cube of side 3 units is formed using a set of smaller cubes of side 1 unit. Find the proportion of the number of faces of the smaller cubes visible to those which are NOT visible

Ques 36 GATE 2015

Humpty Dumpty sits on a wall every day while having lunch. The wall sometimes breaks. A person sitting on the wall falls if the wall breaks. Which one of the statements below is logically valid and can be inferred from the above sentences?

Ques 37 GATE 2015

Two infinitely large parallel plates (I and II) are held at temperatures T₁ and T₂ (T₁ > T₂) respectively, and placed at a distance 2d apart in vacuum. An infinitely large flat radiation shield (III) is placed in parallel in between I and II. The emissivities of all the plates are equal. The ratio of the steady state radiative heat fluxes with and without the shield is:

Ques 38 GATE 2015

In the figure below, the temperature profiles of cold and hot fluids in counter current double pipe heat exchangers (in different modes of operation) are shown on the left. For each case, match the heat exchange process for the fluid represented by the bold curve with the options given on the right.

Ques 39 GATE 2015

A heated solid copper sphere (of surface area A and volume V) is immersed in a large body of cold fluid. Assume the resistance to heat transfer inside the sphere to be negligible and heat transfer coefficient (h), density (ρ), heat capacity (C), and thermal conductivity (k) to be constant. Then, at time t, the temperature difference between the sphere and the fluid is proportional to: