Chapter 5
Engineering Aptitude
TU IOE Entrance past exam questions
Past questions and answers
15 questions set from this chapter. Most repeated first.
- 2075 Model · 1 mark
Which of the following is not the example of renewal energy?
(a) bioethanol
(b) wind energy
(c) fire wood
(d) none of above
Answer
(d) none of above
Bioethanol, wind energy and fire wood (biomass) are all renewable sources, so none of the listed examples is non-renewable.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
The building stone can be dressed easily
(a) just after quarrying
(b) after seasoning
(c) after some months of quarrying
(d) any time
Answer
(a) just after quarrying
Freshly quarried stone contains quarry sap and is soft, so it can be dressed easily; it hardens on drying and exposure.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
The rounded aggregate is obtained from
(a) river
(b) crusher
(c) volcano
(d) all of above
Answer
(a) river
River aggregate is rounded by the abrasion of flowing water. Crushed aggregate from crushers is angular.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
Sludge in transformer oil is due to
(a) decomposition of oil
(b) decomposition of insulation
(c) moisture content in oil
(d) none of the above
Answer
(a) decomposition of oil
Sludge forms when transformer oil oxidises and decomposes under heat and air, depositing as a solid sludge.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
The characteristics of fuse wire is
(a) high melting point and high specific heat
(b) low melting point and low specific heat
(c) high melting point and low specific heat
(d) low melting point and high specific heat
Answer
(b) low melting point and low specific heat
A fuse wire must melt quickly when the current exceeds the rated value, so it needs a low melting point and low specific heat.
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- 2075 Model · 1 mark
is equivalent to is
(a) 256
(b) 255
(c) 252
(d) 200
Answer
(b) 255
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- 2075 Model · 1 mark
CRT stands for
(a) Cathode ray tube
(b) Compact ray tube
(c) Compact ray terminal
(d) Cathode ray terminal
Answer
(a) Cathode ray tube
CRT is the display tube in which an electron beam strikes a phosphor screen.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
The process of supplying intake air to the engine cylinder at a density greater than the density of the surrounding is known as
(a) super charging
(b) scavenging
(c) polymerization
(d) detonation
Answer
(a) super charging
Supercharging supplies intake air to the cylinder at a density higher than the surroundings to raise power output.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
In petrol engine suction consists of
(a) air only
(b) a mixture of air and fuel
(c) fuel only
(d) none
Answer
(b) a mixture of air and fuel
A petrol (Otto) engine draws in a charge of air and petrol vapour prepared by the carburettor during the suction stroke.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
Transfer of electrical power from primary to secondary in a transformer takes place
(a) electrically
(b) electromagnetically
(c) magnetically
(d) none
Answer
(c) magnetically
Power is transferred from primary to secondary through the mutual magnetic flux in the core. There is no electrical connection between the windings.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
The rate at which electricity is dissipated or consumed by an appliance is called electrical
(a) current
(b) power
(c) potential
(d) energy
Answer
(b) power
Power is the rate of consuming or dissipating electrical energy, .
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
MBR stands for
(a) Master booster record
(b) Master boot record
(c) Mother board rating
(d) none
Answer
(b) Master boot record
The MBR is the first sector of a disk and holds the boot loader and partition table.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
The process of mixing clay, water and other ingredients to make brick is called
(a) moulding
(b) tempering
(c) plugging
(d) blending
Answer
(b) tempering
In brick making, tempering is the mixing and kneading of clay with water and other ingredients to make a uniform plastic mass.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 1 mark
Gypsum is added in cement
(a) after burning
(b) before burning
(c) after grinding
(d) at the time of mixing raw material
Answer
(a) after burning
Gypsum (about 2-3%) is added to the clinker obtained after burning, and then ground together. It controls the setting time of cement.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2075 Model · 2 marks
In orthographic projection the top view is circle, the front and side view both are triangle, then the solid object is a
(a) Sphere
(b) Cylinder
(c) Prism
(d) Cone
Answer
(d) Cone
A cone standing on its base has a circular top view (base circle with the apex at the centre) and triangular front and side views. A sphere gives circles in all views, a cylinder gives rectangles, and a prism does not give a circular top view.
Answer checked by Claude Sonnet · Oct 21, 2026
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Questions from TU IOE Entrance Model Question 2075 (Model question for the TU IOE BE/BArch entrance examination 2075). Answers are written for this site; check them against your class notes.