Explore topic-wise MCQs in Chemical Engineering.

This section includes 806 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

151.

Plywood is identified by

A. volume
B. weight
C. area
D. thickness
Answer» E.
152.

The wood that cannot be attacked by white ants is

A. mahogany
B. rosewood
C. sissoo
D. teak
Answer» E.
153.

Which one of the following statements is wrong about clamp burning

A. it is cheap
B. does not need skilled labour
C. control on burning process is good
D. burning process is slow
Answer» D. burning process is slow
154.

The defect in timber due to broken branch of the tree during the tree growth is

A. knot
B. shake
C. rind gall
D. burl
Answer» B. shake
155.

Red colour of brick is due to the pre ence of

A. lime
B. silica
C. manganese
D. iron oxide
Answer» E.
156.

Pallet board is used to

A. make frog in the brick
B. to mount the mould
C. for table moulding of bricks
D. none of the above
Answer» C. for table moulding of bricks
157.

The layer between the dark and sapwood which is yet to be converted into wood isknown as

A. pith
B. heartwood
C. softwood
D. cambium layer
Answer» E.
158.

Moisture absorption of a good stone should be less than

A. 1%
B. 5%
C. 8%
D. 12%
Answer» C. 8%
159.

.Solidification of molten magma within the earth’s crust results in the formation of

A. sedimentary rock
B. basalt and trap
C. granite
D. metamorphic rack
Answer» D. metamorphic rack
160.

An assembled product made up of veneers and adhesives is called

A. batten
B. plank
C. board
D. plywood
Answer» E.
161.

To check the size of brick number of bricks to be kept side by side is

A. 30
B. 20
C. 10
D. 5
Answer» C. 10
162.

The ore from which aluminium is extracted economically is

A. kaolin
B. kryolite
C. corundum
D. bauxite
Answer» E.
163.

For making stabilized soil brick the soil is stabilized with

A. sand
B. coal
C. cement
D. salt
Answer» D. salt
164.

Most economical method of sawing wood is

A. ordinary sawing
B. quarter sawing
C. tangential sawing
D. radial sawing
Answer» B. quarter sawing
165.

In stiff mud process of machine moulding, water used for mixing is

A. 8–12%
B. 12–18%
C. 20–24%
D. 30%
Answer» C. 20–24%
166.

Gradual drying of moulded bricks is necessary to

A. prevent shrinkage
B. permit shrinkage without cracking
C. permit blending of alumina and silica
D. none of the above
Answer» C. permit blending of alumina and silica
167.

Which of the following has the highest crushing strength?

A. granite
B. gneiss
C. basalt
D. trap
Answer» E.
168.

The minimum strength of brick required for building wall is

A. 7.5 N/mm2
B. 5.0 N/mm2
C. 3.5 N/mm2
D. 2.5 N/mm2
Answer» D. 2.5 N/mm2
169.

On the basis of availability, timber is classified as

A. I. II, III Class
B. grade I, II, and III
C. A, B, C Class
D. , Y, Z Class
Answer» E.
170.

Maximum water absorption permitted on class AA type Mangalore tiles is

A. 13%
B. 15%
C. 17%
D. 19%
Answer» E.
171.

The size of mould used for making bricks compared to size of brick is

A. 10% more
B. 5% more
C. exactly equal
D. 5% less
Answer» B. 5% more
172.

The indentation mark left on bricks during the process of moulding are

A. pallets
B. fillets
C. marks
D. frog
Answer» E.
173.

The trees, of which leaves fall in autumn and new ones appear in spring are classified as

A. coniferous trees
B. deciduous trees
C. endogenous trees
D. none of the above
Answer» C. endogenous trees
174.

Excess of iron oxide in brick earth makes the bricks

A. stronger
B. darker
C. brittle
D. crack
Answer» C. brittle
175.

Which one of the following does not belong to exogenous tree

A. deodar
B. pine
C. mahogany
D. bamboo
Answer» D. bamboo
176.

Los Angeles testing machine is used to find the following. In stone

A. surface wear
B. hardness
C. compressive strength
D. presence of mud
Answer» B. hardness
177.

After felling and separating branches the tree is known as

A. log
B. converted timber
C. rough timber
D. none of the above
Answer» D. none of the above
178.

Which one of the following is not a preservative of timber

A. solignum salt
B. chemical salt
C. creosote
D. solution of barium hydroxide
Answer» E.
179.

Which of the following is an example of siliceous rock?

A. granite
B. gnesis
C. quartzite
D. all the above
Answer» D. all the above
180.

Seasoning makes timber

A. durable
B. light, strong and stable
C. resistant to fungi and termites
D. all of the above
Answer» E.
181.

The oldest part of exogenous tree is

A. pith
B. heartwood
C. sapwood
D. cambium layer
Answer» B. heartwood
182.

In case of round tiles, under-tiles are used with their narrow ends

A. towards eve
B. towards ridge
C. towards valley
D. in any one fashion
Answer» B. towards ridge
183.

Quarrying by using channeling machine is employed for quarrying in

A. soft rock
B. hard rock
C. sandstones
D. all the above
Answer» B. hard rock
184.

Granite has

A. crystalline, glossy and fused texture
B. foliated structure
C. layers of different compositions
D. none of the above
Answer» B. foliated structure
185.

When quarrying is to be done in hard and compact rocks, the usual method employed is

A. wedging
B. using channeling machine
C. blasting
D. all of the above
Answer» D. all of the above
186.

The most powerful explosive used in blasting is.

A. gunpowder
B. guncotton
C. dynamite
D. cordite
Answer» C. dynamite
187.

Continuous kiln is

A. bull’s trench kiln
B. Hoffman’s kiln
C. tunnel kiln
D. all of the above
Answer» E.
188.

Dressing of the stone is made

A. immediately after quarrying
B. after three months of quarrying
C. just before using for building works
D. after seasoning
Answer» B. after three months of quarrying
189.

Alumina in brick earth gives the bricks

A. strength
B. colour
C. plasticity
D. resistance to shrinkage
Answer» D. resistance to shrinkage
190.

To make terracotta porous, the following is mixed with clay before burning.

A. lime
B. silica
C. sawdust
D. none of the above
Answer» D. none of the above
191.

Stain appears in wood due to

A. poor ventilation during storage
B. contact with water and chemicals for long time
C. shock when it was young
D. crushing during growth
Answer» C. shock when it was young
192.

Pug mill is used to

A. blend clay
B. tempering
C. weathering clay
D. burning bricks
Answer» C. weathering clay
193.

Which of the following are the Characteristics of Internet Communication ?

A. Immediacy
B. Interactive
C. Community building
D. All of these
Answer» E.
194.

The different types of online communication tools are

A. Video Conferencing
B. Webcaasting
C. Podcasting
D. All of these
Answer» E.
195.

A web service is a software that supports computer-to- computer interaction over the

A. acces
B. axis
C. wire
D. Internet
Answer» E.
196.

Wordpress is used to create

A. films
B. blogs
C. virals
D. aesthetics
Answer» C. virals
197.

Which association provides the number of internet mobile users ?

A. SANI
B. BARC
C. IAMAI
D. RAKE
Answer» D. RAKE
198.

Online journalism refers to content created and distributed over

A. desk
B. tradional media
C. offline
D. internet
Answer» E.
199.

Online Journalism follows the similar to traditional journalism

A. professional code of conduct
B. free journalism
C. vibes
D. variations
Answer» B. free journalism
200.

Which of the following are the characteristics of New Media?

A. Digital
B. Interactive
C. Virtual
D. All of these
Answer» E.