WorksheetsMT-2 PY
Total questions: 76
Worksheet time: 25mins
Name
Class
Date
1.
Which of the following is an intensive property?
a)
Volume
b)
Weight
c)
Temperature
2.
What field provides the fundamental scientific and analytical tools for engineering disciplines?
a)
Manufacturing & Production Engineering
b)
Mechanical Engineering
c)
Civil Engineering
3.
Which field applies scientific tools to design, plan, and execute the creation of products?
a)
Mechanical Engineering
b)
Manufacturing & Production Engineering
c)
Electrical Engineering
4.
Which two concepts are crucial for understanding energy conversion and thermal management?
a)
Fluid Mechanics & Mechanics of Solids
b)
Thermodynamics & Heat Transfer
c)
Materials Science & Design Principles
5.
What is a fundamental concept in thermodynamics related to energy conservation in a flowing system?
a)
Bernoulli's equation
b)
The steady flow energy equation
c)
Newton's Law of Viscosity
6.
The internal energy change for a mixture of which substance is a key thermodynamic principle?
a)
Solids
b)
Liquids
c)
Gases
7.
What devices are used for heat transfer, with concepts like the correction factor and NTU for analysis?
a)
Heat exchangers
b)
Pumps
c)
Turbines
8.
Which type of heat exchanger is suitable for liquid-to-liquid and gas-to-gas transfers?
a)
Plate heat exchangers
b)
Finned tube heat exchangers
c)
Shell and tube heat exchangers
9.
What is important for thermal design, especially for a spherical shell?
a)
The Reynolds number
b)
The critical radius of insulation
c)
The thermal conductivity of air
10.
The analogy between which two types of transfer helps estimate coefficients?
a)
Heat and mass
b)
Momentum and energy
c)
Heat and momentum
11.
What material is used as electrodes in thermo-electric generators?
a)
Insulators
b)
Metals
c)
Semiconductors
12.
What thermodynamic concept describes the highest efficiency for an engine with given temperature limits?
a)
The Otto cycle
b)
The Diesel cycle
c)
The Carnot cycle
13.
Which thermodynamic concept can be calculated to quantify the degree of disorder in a system?
a)
Internal energy
b)
Work
c)
Entropy increase
14.
What engineering field is critical for understanding fluid behavior?
a)
Mechanics of Solids
b)
Fluid Mechanics
c)
Thermodynamics
15.
The hydraulic diameter of a circular tube is equal to its what?
a)
Radius
b)
Diameter
c)
Circumference
16.
In forced convection heat transfer, what type of numbers are used for analysis?
a)
Random
b)
Dimensionless
c)
Integer
17.
What type of flow is illustrated in chemical plants, air conditioning systems, and aircraft engines?
a)
Laminar flow
b)
Turbulent flow
c)
Compressible flow
18.
In a CD nozzle, a shock wave is felt in which portion?
a)
Convergent
b)
Divergent
c)
Throat
19.
What causes the maximum head loss in a pipe flow?
a)
Straight pipes
b)
90-degree bends
c)
Sudden contraction
20.
What is defined as the sum of pressure head and datum head?
a)
The hydraulic gradient line (HGL)
b)
The energy gradient line (EGL)
c)
Bernoulli's constant
21.
Which fundamental fluid property is described by Newton's law?
a)
Density
b)
Viscosity
c)
Pressure
22.
What is used to connect reservoirs at different levels when a mountain intervenes?
a)
A Canal
b)
A Siphon
c)
A Pump
23.
To which two devices is Bernoulli's equation applied?
a)
Pressure gauges & flow meters
b)
Venturimeters & Pitot tubes
c)
Siphons & pumps
24.
What is the field that involves the behavior and properties of materials?
a)
Mechanics of Solids & Materials Science
b)
Fluid Mechanics
c)
Thermodynamics
25.
What law relates stress and strain within the elastic limit?
a)
Newton's Law
b)
Ohm's Law
c)
Hooke's Law
26.
What is defined as the total strain energy of a material?
a)
Hardness
b)
Resilience
c)
Toughness
27.
What kind of force can a truss member resist?
a)
Bending force
b)
Torsional force
c)
Axial force
28.
What is the primary purpose of CAD/CAM systems?
a)
Increasing waste
b)
Minimizing waste
c)
Increasing production time
29.
What is the primary function of a slip gauge?
a)
Measuring pressure
b)
Calibrating other instruments
c)
Checking fluid flow
30.
What are used to measure dynamic forces?
a)
Strain gauges
b)
Piezo-electric transducers
c)
Micrometers
31.
What is the process of material removal?
a)
Forming
b)
Joining
c)
Machining
32.
What is the machining operation for creating diamond-shaped patterns on a workpiece?
a)
Turning
b)
Tapping
c)
Knurling
33.
What does Electron Beam Machining use to melt and vaporize material?
a)
Chemical reactions
b)
Laser energy
c)
Electron kinetic energy
34.
Which machining process uses abrasives with a liquid carrier?
a)
Electrochemical Machining (ECM)
b)
Electrical Discharge Machining (EDM)
c)
Ultrasonic Machining
35.
What type of processes alter material shape without removing it?
a)
Machining
b)
Forming
c)
Casting
36.
What is the effect of cold working on a material?
a)
Decreases strength
b)
Increases strength
c)
Decreases hardness
37.
What is a cold working process that uses a die to impart an impression?
a)
Extrusion
b)
Coining
c)
Rolling
38.
What casting defect causes a general enlargement of the cast part?
a)
Blow holes
b)
Swell
c)
Pin hole porosity
39.
Which casting method is effective for manufacturing long cast-iron pipes?
a)
Sand casting
b)
Die casting
c)
Centrifugal casting
40.
What casting defect is caused by air entrapment?
a)
Fusion
b)
Porosity
c)
Hot tears
41.
Which type of joining is described as a permanent joint?
a)
Riveting
b)
Bolting
c)
Screwing
42.
What is the formula for heat generation in Resistance Welding?
a)
H=I2RT
b)
H=IRT
c)
H=I/RT
43.
Which welding process uses exothermic chemical reactions to produce heat?
a)
MIG welding
b)
Thermit welding
c)
Brazing
44.
Which type of gas is often used in MIG welding for steel structures?
a)
Oxygen-Helium
b)
Nitrogen-Argon
c)
CO2-Argon
45.
Which production system involves identifying avoidable delays and improving methods?
a)
Quality Control
b)
Work Study
c)
Inventory Control
46.
What chart is used for variables in quality control?
a)
P-chart
b)
R-chart
c)
C-chart
47.
Which gauges are used for checking nominal diameter and tolerance, considering wear?
a)
Vernier calipers
b)
Micrometers
c)
Go-NoGo plug gauges
48.
What inventory control method categorizes items by value and quantity?
a)
EOQ analysis
b)
ROL analysis
c)
ABC analysis
49.
What project management technique uses optimistic, most likely, and pessimistic time estimates?
a)
CPM (Critical Path Method)
b)
PERT (Program Evaluation and Review Technique)
c)
Gantt chart
50.
A Flexible Manufacturing Cell (FMC) consists of how many CNC machines?
a)
One
b)
Two or more
c)
None
51.
What business function is Computer Integrated Manufacturing (CIM) a part of?
a)
Marketing
b)
Finance
c)
CAD/CAM
52.
What system aims to increase productivity by organizing parts into families and cells?
a)
Lean Manufacturing
b)
Group Technology
c)
Just-in-Time (JIT)
53.
For what type of production are machining centers mainly used?
a)
Mass production
b)
Batch production
c)
Job production
54.
What programming language do CNC machines use?
a)
BASIC
b)
Python
c)
APT
55.
Which programming method for robots involves a robot’s end effector being moved manually to points in space, which are then recorded?
a)
Textual programming
b)
Teach pendant method
c)
Offline programming
56.
What kind of joint is a rivet?
a)
A permanent joint
b)
A temporary joint
c)
A semi-permanent joint
57.
Which welding process is preferred for a higher weld metal deposition rate?
a)
Shielded metal arc welding
b)
Gas metal arc welding
c)
Submerged arc welding
58.
What is a casting defect associated with air entrapment in die casting?
a)
Cold shuts
b)
Porosity
c)
Misruns
59.
Which material is used for the tool electrodes in Electrical Discharge Machining (EDM)?
a)
Insulating materials
b)
Conducting materials
c)
Semi-conducting materials
60.
Which material property is crucial for forging operations?
a)
Brittleness
b)
Plasticity
c)
Hardness
61.
What is defined as working steel below its recrystallization temperature?
a)
Hot working
b)
Annealing
c)
Cold working
62.
What casting defect is associated with non-uniform cooling of a casting?
a)
Hot tears
b)
Blow holes
c)
Swell
63.
What process is used to remove grinding marks and tool marks?
a)
Drilling
b)
Reaming
c)
Honing
64.
What kind of lubrication is used in a journal bearing?
a)
Boundary lubrication
b)
Hydrodynamic lubrication
c)
Mixed lubrication
65.
What is a defect associated with the rolling process?
a)
Alligatoring
b)
Hot tears
c)
Swell
66.
What is the analogy used to estimate mass transfer coefficients from heat transfer data?
a)
Mass-to-pressure analogy
b)
Heat-to-pressure analogy
c)
Heat-to-mass analogy
67.
What is the purpose of a mandrel in a lathe?
a)
To hold cylindrical workpieces
b)
To hold irregular shapes
c)
To measure the diameter
68.
What type of turning is used to reduce the diameter of a workpiece?
a)
Taper turning
b)
Form turning
c)
Straight turning
69.
What is the primary principle of a product layout?
a)
Minimum distance to avoid material backtracking
b)
Maximum flexibility
c)
High variety of products
70.
What is the purpose of a splay gauge?
a)
Measuring pressure
b)
Measuring fluid viscosity
c)
To check the fit of two surfaces
71.
What is the property of good insulating materials?
a)
High dissipation factor
b)
Low dielectric strength
c)
High dielectric strength
72.
What is used to measure the inner diameter of a hole?
a)
Outside micrometer
b)
Vernier caliper
c)
Inside micrometer
73.
What kind of processes are normalizing and annealing?
a)
Forging processes
b)
Casting defects
c)
Heat treatment processes
74.
What is the primary purpose of a shunt in an electrical circuit?
a)
To increase the voltage
b)
To bypass the current
c)
To increase the resistance
75.
What is the name of the tools attached to the manipulator ends of a robot?
a)
Grippers
b)
Arms
c)
End effectors
76.
The Total Quality Management (TQM) principles are mentioned. Human factors are not considered a TQM dimension.
a)
TQM focuses on improving internal processes, not on external factors.
b)
TQM focuses on the product and its quality, not on people.
c)
Human factors like employee morale and training are considered dimensions of TQM.
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