Explore topic-wise MCQs in Unit Processes.

This section includes 2114 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.

201.

The swing of a pendulum/hammer decreases after it comes in contact with the specimen in a Charpy test.

A. True
B. False
Answer» B. False
202.

The final impact value is obtained by dividing the _________ by the cross-sectional area in the Charpy test.

A. heat of the specimen
B. cross-sectional damage
C. energy of fracture
D. cross-sectional area
Answer» D. cross-sectional area
203.

The Charpy impact test does not require a pendulum/hammer.

A. True
B. False
Answer» C.
204.

What is the following diagram of notch called?

A. Keyhole
B. V-notch
C. X-notch
D. U-notch
Answer» E.
205.

In the Charpy test, the notch faces _________ from the pendulum.

A. towards
B. 20m
C. away
D. around
Answer» D. around
206.

The Charpy test, which is a type of impact test measures the __________ absorbed by a specimen.

A. heat
B. energy
C. length
D. breadth
Answer» C. length
207.

In the Charpy test, the tensile specimen being tested is ___________ on both sides.

A. threaded
B. axed
C. flattened
D. heated
Answer» B. axed
208.

Which of the following impact test method is preferred these days?

A. Impact test
B. Reverse bend test
C. Flattening test
D. Charpy test
Answer» E.
209.

Which of the following are standard impact tests?

A. Izod test and flattening test
B. Izod test and Charpy test
C. Flattening test and reverse bend
D. Charpy test and reverse bend test
Answer» C. Flattening test and reverse bend
210.

Which of the following hormone is a steroid?

A. Epinephrine
B. Thyroxine
C. Estrogen
D. Prostaglandins
Answer» D. Prostaglandins
211.

Which hormone produces a calorigenic effect?

A. FSH
B. Thyroxine
C. Insulin
D. Adrenaline
Answer» B. Thyroxine
212.

Ecdysone is secreted by __________

A. Insects
B. Nematodes’
C. Polychaetes
D. Algae
Answer» B. Nematodes’
213.

FSH and LH are collectively known as _______

A. Neurohomones
B. Antistress hormones
C. Gonadotrophic hormone
D. Emergency hormone
Answer» D. Emergency hormone
214.

How is a stored procedure invoked?

A. INVOKE
B. SEE
C. CALL
D. RETURN
Answer» D. RETURN
215.

Triggers and events are not invoked automatically by the server.

A. True
B. False
Answer» C.
216.

Triggers are not supported for _____________

A. delete
B. update
C. insert
D. views
Answer» E.
217.

To check if the data directory contains insecure files or directories, the command executed is _____________

A. ls -l
B. ls -a
C. ls -la
D. ls -lu
Answer» D. ls -lu
218.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.29Calculate the number of ideal countercurrent washing stages required.

A. 3.5
B. 3.6
C. 3.8
D. 3.95
Answer» B. 3.6
219.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.24Calculate the number of ideal countercurrent washing stages required.[/expand]

A. 3
B. 3.7
C. 2.8
D. 3.95
Answer» B. 3.7
220.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.44Calculate the number of ideal countercurrent washing stages required.

A. 2.5
B. 5.3
C. 5.4
D. 5.5
Answer» C. 5.4
221.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.108Calculate the number of ideal countercurrent washing stages required.

A. 6.13
B. 2.45
C. 1.95
D. 2.95
Answer» D. 2.95
222.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.318Calculate the number of ideal countercurrent washing stages required.

A. 2.5
B. 2.6
C. 3.8
D. 3.18
Answer» D. 3.18
223.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.256Calculate the number of ideal countercurrent washing stages required.a) 3.18b) 2.6c)

A. 3.18
B. 2.6
C. a)8
D. 3.67
Answer» E.
224.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.55Calculate the number of ideal countercurrent washing stages required.

A. 4.6
B. 6.4
C. 7.2
D. 2.95
Answer» D. 2.95
225.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.1165Calculate the number of ideal countercurrent washing stages required.

A. 2
B. 2.6
C. 2.8
D. 2.95
Answer» B. 2.6
226.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.35Calculate the number of ideal countercurrent washing stages required.

A. 2.5
B. 4.1
C. 2.2
D. 6.14
Answer» C. 2.2
227.

If YN+1= 0.0005XN= 0.001Y2= 0.01174YL=XL= 0.05L/V= 0.2295Calculate the number of ideal countercurrent washing stages required.

A. 2.5
B. 2.6
C. 2.8
D. 2.95
Answer» E.
228.

What is GDI engine?

A. Gasoline direct injection
B. Gasoline diesel injection
C. Gasoline discharge injection
D. Gasoline direct infusion
Answer» B. Gasoline diesel injection
229.

What does TDI stand for?

A. Turbocharged diesel injection
B. Turbocharged direct injection
C. Turbocharged discharged infusion
D. Turbocharged Direction ignition
Answer» C. Turbocharged discharged infusion
230.

What is a relay?

A. A device that resists the flow of Current
B. A device that resists the flow of direction in two ways
C. Device that allows small electrical current to control large electrical current
D. A device that allows the operator to control the current flow in the required direction
Answer» D. A device that allows the operator to control the current flow in the required direction
231.

The largest change of output quantity for which there is no output of the instrument is the ____________

A. dead time
B. dead zone
C. first order response
D. none of the mentioned
Answer» C. first order response
232.

_____________ is the time required by a measurement system to begin to respond to a change in the measurand.

A. Dead time
B. Static analysis
C. First order response
D. None of the mentioned
Answer» B. Static analysis
233.

_____________ is the technique of analysis of the measured data for evaluating errors and deviations.

A. Frequency response
B. Static analysis
C. First order response
D. None of the mentioned
Answer» C. First order response
234.

Signal varying randomly with time, with no definite period and amplitude is _____________

A. periodic
B. transient
C. random
D. none of the mentioned
Answer» D. none of the mentioned
235.

Signal varying non-cyclically with time and becomes zero after a certain period of time is ___________

A. periodic
B. transient
C. dead zone
D. none of the mentioned
Answer» C. dead zone
236.

Signal varying cyclically with time or repeating itself after a constant interval is ____________

A. periodic
B. varying
C. dead zone
D. none of the mentioned
Answer» B. varying
237.

What is the ratio of the difference between measured value and true value to the true value of the measurand?

A. transient
B. relative error
C. dead zone
D. none of the mentioned
Answer» C. dead zone
238.

What is the general production rate in thread rolling?

A. 1000 pieces per minute
B. 2000 pieces per minute
C. 3000 pieces per minute
D. 4000 pieces per minute
Answer» C. 3000 pieces per minute
239.

On what does the reciprocating die stroke depend on?

A. Temperature
B. Pressure
C. Thread diameter
D. Die radius
Answer» D. Die radius
240.

How is the strength of the material, which is to be rolled, reduced?

A. Rolling at low temperatures
B. Rolling at high temperatures
C. Treating with ozone
D. Treating with carbon
Answer» C. Treating with ozone
241.

What do you mean by glycosylation?

A. Addition of sugar
B. Non-addition of sugar
C. Lysis of sugar moieties
D. Blockage of sugar molecules
Answer» B. Non-addition of sugar
242.

B. subtilis has a number of problems that have hindered its commercial adoption mainly due to:

A. Increased levels of proteins
B. Decreased levels of proteins
C. Increased levels of proteases
D. Decreased levels of proteases
Answer» D. Decreased levels of proteases
243.

Secretion and excretion are two different terms.

A. True
B. False
Answer» B. False
244.

Pyrogen is __________

A. Antibiotic
B. Non-toxic
C. Drug
D. Fever inducer
Answer» E.
245.

Post-translational modification includes which type of protein modification?

A. Ionic
B. Non-covalent
C. Covalent
D. Metallic
Answer» D. Metallic
246.

The lower aliphatic alcohols produce nitriles in presence of which catalyst?

A. Oxidation
B. Hydrogenation
C. Reduction
D. Dehydrogenation
Answer» D. Dehydrogenation
247.

Complete the following reaction: C14H7O2.SO3H + NH3 —–> C14H7O2.NH2 + _____

A. HSO4
B. H2SO3
C. H2SO4
D. None of the mentioned
Answer» C. H2SO4
248.

What series is used to analyze the field form?

A. z-series
B. fourier series
C. fourier transform
D. z-transform
Answer» C. fourier transform
249.

How should the air gap and the fringing effects be if the field form of a salient pole machine is rectangular?

A. air gap under the pole arc is not constant, fringing effects are considered
B. air gap under the pole arc is constant, fringing effects are considered
C. air gap under the pole arc is constant, fringing effects are not considered
D. air gap under the pole arc is not constant, fringing effects are not considered
Answer» D. air gap under the pole arc is not constant, fringing effects are not considered
250.

How should the flux distribution be in the case of ac machines?

A. sinusoidal
B. rectangular
C. square
D. circular
Answer» B. rectangular