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.

101.

Which of the following represents ‘inhibit’ gate?

A. AND gate
B. NAND gate
C. OR gate
D. NOR gate
Answer» B. NAND gate
102.

TTL stands for __________________

A. Transistor-triode-logic
B. Triode-transistor-logic
C. Triode-triode-logic
D. Transistor-transistor-logic
Answer» E.
103.

Higher the value of contact factor, poor is the performance of the coil.

A. True
B. False
Answer» C.
104.

For given conditions, td1 = 288 K, td2 = 301 K and td3 = 314 K, the value of by-pass factor and contact factor is equal.

A. True
B. False
Answer» B. False
105.

What is the contact factor for cooling coil, if td1 = 44°C, td2 = 26°C and td3 = 19°C?

A. 0.62
B. 0.72
C. 0.78
D. 0.18
Answer» C. 0.78
106.

What is the contact factor for heating coil, if td1 = 11°C, td2 = 32°C and td3 = 47°C?

A. 0.5833
B. 0.4833
C. 0.7833
D. 0.1833
Answer» B. 0.4833
107.

What is the efficiency of the coil, if BPF = 0.6913?

A. 1.6913
B. 0.4467
C. 0.3087
D. 1.4467
Answer» D. 1.4467
108.

What is the value of logarithmic mean temperature if td1 = 300 K, td2 = 400 K and BPF = 0.75?

A. 70°C
B. 79°C
C. 85°C
D. 75°C
Answer» E.
109.

What is the value of BPF, if U = 1.9 W/m2 K, Ac = 1.1 m2 and ma = 0.97 kg?

A. 0.14
B. 0.12
C. 0.13
D. 0.15
Answer» C. 0.13
110.

What is the value of sensible heat given out by the coil, if U = 198 W/m2 K, Ac = 11 m2 and tm = 0°C?

A. 1
B. 0
C. 594594
D. 543636
Answer» C. 594594
111.

If the value of BPF for one row of the coil is 0.4, then what is the value of BPF for 12 similar rows?

A. 1.67E-6
B. 0.0000167
C. 0.00167
D. 0.000167
Answer» C. 0.00167
112.

If the value of BPF for one row of the coil is one, then what is the value of BPF for 3872 similar rows?

A. 3872
B. 3871
C. 3873
D. 1
Answer» E.
113.

What is the By-pass factor for cooling coil, if td1 = 49°C, td2 = 36°C and td3 = 30°C?

A. 0.315
B. 0.31
C. 0.320
D. 0.3
Answer» B. 0.31
114.

What is the By-pass factor for heating coil, if td1 = 19°C, td2 = 25°C and td3 = 37°C?

A. 0.75
B. 0.4
C. 0.7
D. 0.1
Answer» D. 0.1
115.

At full plasticity, the stress in web is given by

A. fw = fy√[1+(τw/τy)2 ].
B. fw = fy√[(τw/τy)2 ].
C. fw = fy√[1-(τw/τy)2 ].
D. fw = fy√[1+2(τw/τy)2 ].
Answer» D. fw = fy√[1+2(τw/τy)2 ].
116.

Yield in pure shear occurs when ______

A. 0.58 fy
B. 1.58 fy
C. 2.8 fy
D. 3.5 fy
Answer» B. 1.58 fy
117.

When a member is subjected to uniaxial tensile or compressive stress in presence of shear stress τ , yield occurs when ___

A. fy2 = f2 – 3 τ
B. fy2 = f2 + 3 τ2
C. fy2 = f2 – 3 τ2
D. fy2 = f2 + 3 τ
Answer» C. fy2 = f2 – 3 τ2
118.

Which of the following relation is correct for I- section of width b and depth d subjected to axial force N together with moment M?

A. (N/Np) – (1/1.18)(M/Mp) ≤ 1, when N/Np > 0.15
B. (N/Np) – (1/1.18)(M/Mp) ≤ 1, when N/Np < 0.15
C. (N/Np) + (1/1.18)(M/Mp) ≤ 1, when N/Np < 0.15
D. (N/Np) + (1/1.18)(M/Mp) ≤ 1, when N/Np > 0.15
Answer» E.
119.

Single bay portal frames with fixed bases have _______

A. two redundancies
B. three redundancies
C. four redundancies
D. zero redundancies
Answer» C. four redundancies
120.

Maximum size of aggregates should not be larger than _______________

A. 1/3 the thickness of a slab
B. 1/2 the thickness of a slab
C. 1/1 the thickness of a slab
D. 1/4 the thickness of a slab
Answer» B. 1/2 the thickness of a slab
121.

Maximum size of aggregates should not be larger than ___________

A. 1/5 the minimum dimension of structural members
B. 1/4 the minimum dimension of structural members
C. 1/3 the minimum dimension of structural members
D. 1/6 the minimum dimension of structural members
Answer» B. 1/4 the minimum dimension of structural members
122.

The aim of the designer should always be to get concrete mixtures of optimum strength at _________ cement content and ________ workability.

A. Maximum, Nonacceptable
B. Minimum, Nonacceptable
C. Maximum, acceptable
D. Minimum, acceptable
Answer» E.
123.

The lower the w/c ratio ___________ the strength of concrete.

A. Higher
B. Lower
C. Poor
D. Moderate
Answer» B. Lower
124.

Depending on the degree of workability and placing condition determine the ___________

A. Slump value
B. The maximum size of aggregate
C. The amount of mixing water
D. The minimum water-cement ratio
Answer» B. The maximum size of aggregate
125.

OEE takes into account _____

A. Availability loss
B. Availability loss and Quality loss
C. Availability loss and Performance loss
D. Availability loss, Performance loss, and Quality loss
Answer» E.
126.

What does an OEE score of 100% refer to?

A. Perfect production
B. World-class
C. Fairly typical
D. Poor
Answer» B. World-class
127.

Which of the following is not an example of administrative operation?

A. Order processing
B. Drilling a hole in a workpiece
C. Order scheduling
D. Order procurement
Answer» C. Order scheduling
128.

Which of the following is not an outcome of implementing strict health, safety, and environment-related measures in an organization?

A. Eliminating health risks
B. Eliminating safety risks
C. Accident-free workplace
D. Increasing safety risks
Answer» E.
129.

Which of the following is not a health, safety, and environment (HSE) related measure taken at workplace?

A. Wearing PPE kits for workers
B. Prohibition of use of mobile phones
C. Washing hands before operating any equipment
D. Providing increment in the salary of an employee
Answer» E.
130.

New equipment designed using the concept of early equipment management will have ____

A. More startup issues
B. Extremely high startup issues
C. Fewer startup issues
D. Same startup issues as before
Answer» D. Same startup issues as before
131.

Which pillar of TPM utilizes practical knowledge and understanding of the manufacturing equipment in improving the design of new equipment?

A. Autonomous maintenance
B. Early equipment management
C. Quality maintenance
D. Focused improvement
Answer» C. Quality maintenance
132.

Which of the following pillar of TPM focuses on small groups of employees for incremental improvements in equipment operation?

A. Autonomous maintenance
B. Planned maintenance
C. Quality maintenance
D. Focused improvement
Answer» E.
133.

Quality maintenance reduces the number of defects.

A. True
B. False
Answer» B. False
134.

Which of the following technique is used in quality maintenance?

A. Benchmarking
B. Employee empowerment
C. Root cause analysis
D. Forecasting
Answer» D. Forecasting
135.

Planned maintenance leads to a reduction in inventory through better control of wear-prone and failure-prone parts.

A. True
B. False
Answer» B. False
136.

Which of the pillar of TPM schedules maintenance based on predicted and/or measured failure rates?

A. Autonomous maintenance
B. Planned maintenance
C. Focused improvement
D. Benchmarking
Answer» C. Focused improvement
137.

What is the representative factor if sides of a square measuring 4cm in the drawing sheet while the actual length of the side of the square is 3m?

A. 1:0.75
B. 4:3
C. 1:75
D. 3:4
Answer» D. 3:4
138.

A line of length 4mm is represented by a line of 4cm. What is the representative factor?

A. 1:1
B. 10:1
C. 1:10
D. 1:100
Answer» C. 1:10
139.

Representative factor is defined as the ratio of the length of the drawing to the actual length of the object.

A. True
B. False
Answer» B. False
140.

UMTS stands for ____________

A. Universal mobile telecommunication system
B. Universal mobile telephone system
C. United multiplex telecommunication system
D. Universal mobile telecommunication system
Answer» E.
141.

Transmission protocol, PRMA stands for _________

A. Pocket reservation multiple access
B. Packet register multiple access
C. Pocket register multiple access
D. Packet reservation multiple access
Answer» E.
142.

_______ is the information contained in the packet header of TIU.

A. PTI
B. VCI
C. PRMA
D. CDPD
Answer» C. PRMA
143.

PTI is the address of ____________

A. TIU
B. WIU
C. BIU
D. CIU
Answer» B. WIU
144.

PCS/PCN provides only wired communication.

A. True
B. False
Answer» C.
145.

Which of these class is used to make a thread?

A. String
B. System
C. Thread
D. Runnable
Answer» D. Runnable
146.

Which of the interface contains all the methods used for handling thread related operations in Java?

A. Runnable interface
B. Math interface
C. System interface
D. ThreadHandling interface
Answer» B. Math interface
147.

Which of the following material shows a strong coaxing effect?

A. Brass
B. Aluminum
C. Low-alloy steel
D. Mild steel
Answer» E.
148.

If the sample is tested for a large number of cycles below its fatigue limit and the stress is gradually increased above the fatigue limit, the true fatigue limit of material will _______

A. improve
B. worsen
C. no effect
D. cannot say
Answer» B. worsen
149.

The under-stressed sample have ____________ fatigue life than a virgin sample.

A. better
B. poorer
C. same
D. cannot say
Answer» B. poorer
150.

The cycle ratio is defined as _____________

A. the ratio of the cycles of overstressing at the prestress to the virgin fatigue life at this same stress
B. the ratio of virgin fatigue life to cycles of overstressing at this same stress
C. the ratio of nominal stress to maximum stress
D. the ratio of Kf to Kt
Answer» B. the ratio of virgin fatigue life to cycles of overstressing at this same stress