Question: Fibrous fracture is normally encountered in the __________ materials.
[A].hard
elastic
ductile
brittle
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
CHEMICAL ENGINEERING
Carbon is present in the form of __________ in grey cast iron.
Question: Carbon is present in the form of __________ in grey cast iron.
[A].spheroids
nodular aggregates of graphite
flakes
cementite
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Annealing ofwhite cast iron produces __________ iron.
Question: Annealing ofwhite cast iron produces __________ iron.
[A].grey
nodular
malleable
spheroidal
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Optical activity is a/an __________ property.
Question: Optical activity is a/an __________ property.
[A].additive
constitutive
both (a) & (b)
neither (a) nor (b)
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Multistage compression of air as compared to single stage compression offers the advantage of
Question: Multistage compression of air as compared to single stage compression offers the advantage of
[A].power saving per unit weight of air delivered.
moisture elimination in the inter-stage cooler.
increased volumetric efficiency.
all (a), (b) & (c).
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
‘Ice point’ is designated on Farenhite temperature scale by
Question: ‘Ice point’ is designated on Farenhite temperature scale by
[A].0°
32°
62°
212°
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
With increase in compression ratio, the volumetric efficiency of air compressor
Question: With increase in compression ratio, the volumetric efficiency of air compressor
[A].increases.
decreases.
remains same.
may increase or decrease (depends on the suction pressure).
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
‘End cooler’ or ‘after cooler’ is employed in air compressor mainly to
Question: ‘End cooler’ or ‘after cooler’ is employed in air compressor mainly to
[A].remove oil vapour or moisture from air.
cool the dry air before use.
reduce the volumetric capacity of receiver.
none of these.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be
Question: Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be
[A].more
less
same
either more or less; depends on the climatic conditions.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.
Question: Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.
[A].invar
hastealloy
duralumin
monel metal
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.