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MECH1320 Midterm

Total questions: 78

Worksheet time: 44mins

Name
Class
Date
1.

The rate of flow of a fluid through an area can be measured by a(n) ____.

a)

pressure gauge

b)

filter gauge

c)

oil-level gauge

d)

flow meter

2.

Convert 38500 ft-lbs to hp.

a)

21175000 hp

b)

70 hp

c)

35 hp

d)

0.0143 hp

3.

A first-class lever is used with an input force of 150 lbs and a length of 9’. The output lever length is 25”. What is the force produced?

a)

416.67 lbs

b)

648.10 lbs

c)

0.67 lbs

d)

54 lbs

4.

This is a ___________.

a)

Clevis

b)

Cotter Pin

c)

Sheer Pin

d)

Dowel Pin

5.

This is a __________.

a)

Torx Socket

b)

Lobe Socket

c)

12-Point Socket

d)

Square Head Socket

6.

In the metric thread note M6X.75–6h6g, the letter "M" stands for ____.

a)

pitch

b)

metric thread symbol

c)

tolerance class

d)

nominal diameter

7.

Which of the following is not a proper use of PPE?

a)

Using high-top boots for welding operations

b)

Removing earplugs or earmuffs before going to the factory floor

c)

Putting on a full face shield for grinding applications

d)

Wearing a hard hat with the bill facing forward

8.

Sockets are sized according to the ____.

a)

physical dimensions of the bolt head

b)

type of adapter

c)

ratchet wrench diameter

d)

bolt thread size

9.

These are ____________.

a)

Cylindrical Rollers

b)

Taper Rollers

c)

Ball Rollers

d)

Spherical Rollers

10.

When torque is applied at an angle other than 90°, the _____ of the angle must be included in the calculation for torque.

a)

sine

b)

tangent

c)

hypotenuse

d)

cosine

11.

_____ pliers have wide, flat jaws and a wire-cutting portion, which is useful for cutting heavy-gage wire.

a)

Tongue-and-groove

b)

Lineman's

c)

Slip-joint

d)

Locking

12.

This is a ____________.

a)

Gasket

b)

Oil and Grease Seal

c)

V-Ring Seal

d)

Radial Lip Seal

13.

This is a _______________.

a)

Set Screw

b)

Sheet Metal Screw

c)

Carriage Bolt

d)

Machine Crew

14.

What type of ball-bearing construction allows the races to be offset for filling with the rolling elements?

a)

Slot-fill bearing

b)

Multiple rows of rotating elements

c)

Conrad bearing

d)

Angular-contact bearing

15.

What is the force required to accelerate a 60 kg object at 5.4 m/s²?

a)

0.09 N

b)

324 N

c)

11.11 N

d)

588 N

16.

This is a ___________.

a)

Dowl Pin

b)

Clevis

c)

Sheer Pin

d)

Cotter Pin

17.

This is a ___________.

a)

Bench Grinder

b)

CNC Router

c)

CNC Plasma

d)

Lathe

18.

This is a ___________.

a)

Sheer Pin

b)

Taper Pin

c)

Hair Pin

d)

Clevis

19.

A caliper can be used to measure an object when requiring an accuracy of up to ____ of an inch.

a)

1/1000

b)

1/10,000

c)

1/100

d)

1/10

20.

Which symbol provides a complete specification to make a weld?

a)

Leader

b)

Welding

c)

Weld

d)

Tail

21.

What class of fire extinguishers can be used on ordinary combustible types of fire?

a)

Class B

b)

Class K

c)

Class A

d)

Class C

22.

Which of the following is not a proper LOTO procedure?

a)

Locking a valve in the open position

b)

Locking a valve in the closed position

c)

Two or more people working on a system using the same lock

d)

Two or more people working on a system using a multilock hasp to install their own lock.

23.

If a piece of machinery weighs 100 pounds and you use a gun tackle pulley system to lift it, the pulling force needed is ____ pounds.

a)

100

b)

50

c)

75

d)

25

24.

What oil additive prevents sludge from accumulating and clumping together?

a)

Dispersants

b)

Emulsifiers

c)

Corrosion inhibitors

d)

Detergents

25.

A micrometer can be used to measure an object when requiring an accuracy of up to ____ inch.

a)

0.00001

b)

0.001

c)

0.0001

d)

0.01

26.

This is a ___________.

a)

12-Point Socket

b)

Torx Socket

c)

Square Head Socket

d)

Lobe Socket

27.

This is a ___________.

a)

Cylindrical Roller Bearing

b)

Tapered Roller Bearing

c)

Spherical Roller Bearing

d)

Self-Aligning Ball Bearing

28.

Kinetic energy is measured in ____.

a)

kilograms

b)

joules

c)

feet per second

d)

meters

29.

Calculate the force of a spring that can be stretched 10” and has a spring constant of 3.25 lb-ft/in.

a)

0.325 in-lbs

b)

32.5 in-lbs

c)

3.08 in-lbs

d)

3.25 in-lbs

30.

Which of the following can take a current measurement without interrupting the circuit and can measure current imbalance and higher currents than a DMM?

a)

Clamp-on ammeter

b)

Flow meter

c)

Megohmmeter

d)

Oscilloscope

31.

Which device should be your first tool of choice when troubleshooting an electrical problem?

a)

Digital multimeter

b)

Micrometer

c)

Megohmmeter

d)

Oscilloscope

32.

This is a _______________.

a)

Machine Crew

b)

Carriage Bolt

c)

Sheet Metal Screw

d)

Set Screw

33.

These are ___________.

a)

Taper Rollers

b)

Cylindrical Rollers

c)

Spherical Rollers

d)

Ball Rollers

34.

This is an ___________.

a)

None of the above

b)

Stuffing Box Cylinder

c)

O-Ring

d)

Flat Belt

35.

Calculate the kinetic energy produced by a 25 kg object traveling at a velocity of 3.05 m/s.

a)

76.25 m/s

b)

116.28 m/s

c)

38.125 m/s

d)

953.125 m/s

36.

Identify this clip.

a)

External retaining ring

b)

E-clip

c)

C-clip

d)

Internal retaining ring

37.

A system must be at zero energy state, meaning it is __________.

a)

gaining potential to become energized

b)

locked out with a color-coded lock

c)

safe from becoming energized

d)

storing electrical potential energy

38.

What types of pins are commonly used to fasten collars, levers, gears, and pulleys to shafts?

a)

Slotted spring pins

b)

Coiled spring pins

c)

Grooved pins

d)

Shear pins

39.

These are __________.

a)

Taper Rollers

b)

Ball Rollers

c)

Cylindrical Rollers

d)

Spherical Rollers

40.

The process of adding dimensions to a part is ____.

a)

drawing

b)

sectioning

c)

scaling

d)

dimensioning

41.

What drawings are commonly prepared for mechanical parts produced in manufacturing?

a)

Datum

b)

Positional

c)

Pictorial

d)

Multiview

42.

Due to its insulating qualities, which type of ladder is required for performing electrical work?

a)

Fiberglass

b)

Wooden

c)

Steel

d)

Aluminum

43.

Calculate the gravitational potential energy of a 50 kg object that is thrown off a 35m building.

a)

17168 Joules

b)

14.014 Joules

c)

24525 Joules

d)

178 Joules

44.

What type of drill is used to drill holes into concrete or masonry?

a)

Pneumatic

b)

Battery-operated

c)

Hammer

d)

Corded-hand

45.

_____ bearings are designed to carry heavy loads at low speeds.

a)

Ball

b)

Cylindrical

c)

Spherical

d)

Needle

46.

This is a _____________.

a)

Carriage Bolt

b)

Set Screw

c)

Machine Crew

d)

Sheet Metal Screw

47.

This is a _____________.

a)

Shaft

b)

Coupling

c)

Sheeve

d)

Pillow Block

48.

This is a ___________.

a)

Medieval torture device

b)

Worm drive

c)

Puller

d)

Press

49.

This is a ___________.

a)

Tapered Roller Bearing

b)

Self-Aligning Ball Bearing

c)

Cylindrical Roller Bearing

d)

Spherical Roller Bearing

50.

Which type of diagram shows the function of a circuit and is designed to be read from top to bottom?

a)

Wiring

b)

Schematic

c)

Box

d)

Ladder

51.

Look at the image and write the name of the type of wrench shown.

a)

Open-end wrench

b)

Box-end wrench

c)

Adjustable wrench

d)

Allen wrench

52.

Look at the image and write the name of the type of wrench shown.

a)

Ratcheting combination wrench

b)

Adjustable wrench

c)

Pipe wrench

d)

Allen wrench

53.

Look at the image and write the name of the type of wrench shown.

a)

Flare nut wrench

b)

Pipe wrench

c)

Adjustable wrench

d)

Allen wrench

54.

Look at the image and write the name of the type of wrench shown.

a)

Box-end wrench

b)

Adjustable wrench

c)

Pipe wrench

d)

Open-end wrench

55.

Look at the image of the tool. Which of the following is the correct name for this tool?

4 lines
56.

Look at the image of the tool. Which of the following is the correct name for this tool?

4 lines
57.

Look at the image of the tool. Which of the following is the correct name for this tool?

a)

Channellock Pliers

b)

Diagonal Wire Cutters

c)

Slip Joint Pliers

d)

Crimpers

e)

Flush cutters

58.

Identify the tool shown in the image. Write the name of the tool in the blank.

a)

Diagonal cutting pliers (or wire cutters)

b)

Needle nose pliers

c)

Slip joint pliers

d)

Linesman pliers

59.

Identify the tools shown in the image. Write the name of the tools in the blank.

a)

Locking pliers (vise-grips)

b)

Needle-nose pliers

c)

Adjustable wrench

d)

Pipe wrench

60.

Identify the tool shown in the image. Write the name of the tool in the blank.

a)

Wire crimping tool (crimper)

b)

Soldering iron

c)

Screwdriver

d)

Pliers

61.

Look at the image and write the name of the tool shown.

a)

Diagonal cutting pliers

b)

Needle nose pliers

c)

Slip joint pliers

d)

Linesman pliers

62.

Look at the image and write the name of the tool shown.

a)

Long nose pliers

b)

Wire cutter

c)

Adjustable spanner

d)

Claw hammer

63.

Look at the image and write the name of the tool shown.

a)

Wire stripper

b)

Screwdriver

c)

Pliers

d)

Hammer

64.

Look at the image and write the name of the tool shown.

a)

Slip joint pliers

b)

Pipe wrench

c)

Needle nose pliers

d)

Adjustable spanner

65.

Look at the image and choose the correct name of the tool from the options below:

a)

Chop Saw

b)

Circular Saw

c)

Portable Band Saw

d)

Reciprocating Saw

e)

Band Saw

66.

Look at the image and choose the correct name of the tool from the options below:

a)

Portable Band Saw

b)

Band Saw

c)

Chop Saw

d)

Reciprocating Saw

e)

Circular Saw

67.

Look at the image and choose the correct name of the tool from the options below:

a)

Jig Saw

b)

Band Saw

c)

Reciprocating Saw

d)

Circular Saw

e)

Portable Band Saw

68.

Look at the image and choose the correct name of the tool from the options below:

a)

Circular Saw

b)

Band Saw

c)

Reciprocating Saw

d)

Portable Band Saw

e)

Chop Saw

69.

Identify the power tool shown in the image.

a)

Band Saw

b)

Jigsaw

c)

Circular Saw

d)

Drill Press

70.

Identify the power tool shown in the image.

a)

Scroll Saw

b)

Belt Sander

c)

Jigsaw

d)

Table Saw

71.

Identify the power tool shown in the image.

a)

Table Saw

b)

Jigsaw

c)

Circular Saw

d)

Router

72.

Identify the power tool shown in the image.

a)

Circular Saw

b)

Jigsaw

c)

Angle Grinder

d)

Power Drill

73.

Identify the power tool shown in the image.

a)

Chop Saw

b)

Jigsaw

c)

Orbital Sander

d)

Cordless Drill

74.

Match the required class of fire extinguisher with its correct fire type.

a)

Class A

b)

Class C

c)

Class K

d)

Class B

75.

Match the required class of fire extinguisher with its correct fire type. 98. Ordinary combustibles

a)

a. Class A

b)

b. Class C

c)

c. Class K

d)

d. Class B

76.

Match the required class of fire extinguisher with its correct fire type.

a)

Class A

b)

Class C

c)

Class K

d)

Class B

77.

Match the required class of fire extinguisher with its correct fire type.

a)

a. Class A

b)

b. Class C

c)

c. Class K

d)

d. Class B

78.

Identify the type of nut shown in the image.

a)

Locking Nut

b)

Tee Nut

c)

Castle Nut

d)

Wing Nut

e)

Hex Nut

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