MECH EXAM PREP QUESTIONS AND ANSWERS
You have been provided with an unfamiliar brand of solvent to clean a brake drum.
What is the best source for determining whether or not it is safe to use? - Answers :SDS
A ladder needs to be extended 20' from the ground floor to the next landing. How far
from the wall should the base of the ladder be? - Answers :5'
which of the following procedures would you use to get into a pit to service an elevator's
oil buffer? - Answers :Operate the bottom hoistwav access switch.
When you are installing pit equipment, which two items are required by the ASME A17.1
Code? - Answers :Pit switch and light switch
You are assembling the counterweight in the pit using the parameters provided in
Figure 2. At what height will you block the counterweight assembly for cabling? -
Answers :67"
You are preparing to drill a hole in a machine beam. What tool will you need to set the
center of the hole to keep the drill tip from wandering off the mark? - Answers :Center
punch
For a hydraulic elevator installation, which of the following items must be installed
before any pit equipment can
he set'? - Answers :Guid rails
When an elevator travels above the top terminal landing, what prevents the elevator
from striking the overhead? - Answers :Counterweight buffer
You are assigned to move job boxes and welding equipment to another construction
site. Which of the following procedures should be used to transport gas-welding
clinders? - Answers :Remove gauges. install protective cans. and secure in a vertical
position
Refer to Figure 3. You are ready to install the counterweight spreader brackets, but
suspect the wrong size has been sent by the manufacturer. What is the correct inside
dimension needed for the counterweight spreader brackets? - Answers :46 1/2
Refer to Figure 3. You are sent to a new site to survey a job. What is the total rise of this
elevator? - Answers :54-3 1/16"
Refer to Figure 3. When the car is level with the first landing, what is the distance
between the safety plank and the
top of the car butter? - Answers :9 5 /16"
, In a building that exceeds 150 feet of travel, what is used to improve traction between
the hoist ropes and machine
driver! - Answers :Compensation ropes.
When servicing the governor tension sheave, which switch should be used to prevent
the elevator from operating? - Answers :Pit stop switch
You are working on scaffolding installing brackets. As you approach the end of the
scaffold, the plank starts to slip.
What should have been done to prevent this? - Answers :End cleats should have been
nailed to the underside of the plank.
You are installing a car hitch plate and need to determine the correct rope drop from the
machine drive sheave.
Which of the following would be the best method? - Answers :Drop a plumb line.
If a valve spring shown on a layout drawing is measured at 1 3/8, and the scale for the
drawing is a 1 to 4 ratio. what is the actual size of the valve spring! - Answers :5 1/2"
If you direct your helpers to retrieve a standard rail, what size should they return with? -
Answers :16'
Refer to Figure I. The safety hitch connecting arm's dimensions are 1 1/4"
What is the metric equivalent? - Answers :3.175 cm
Refer to Figure 1. A moving walk layout indicates a clearance of 6.5 mm for the pallet
roller. What dimension would you read in inches on your ruler? - Answers :0.256'
You find that an AC contactor chatters when it is energized. Which of the following
would cause this problem? - Answers :Missing or broken shading coil
Refer to Figure 4. In the on-delay circuit shown, how is the capacitor charged? -
Answers :When relay S energizes, current flows through S 1/2, A 3/4, R3, C1, and RI.
You are plumbing a hoistway for a bank of elevators. Which lines are dropped first? -
Answers :The two outside main rails that are farthest apart
When filing rail joints, what is the distance you must file above and below the rail joint? -
Answers :18"
Referring to the diagram in Figure 5, what is the correct measurement from the back pit
wall to the center line of the ropes? - Answers :32 1/5"
Referring to the diagram in Figure 5, what is the measurement from the center line of
the drive sheave to the center line of the rails? - Answers :7 1/4"
You have been provided with an unfamiliar brand of solvent to clean a brake drum.
What is the best source for determining whether or not it is safe to use? - Answers :SDS
A ladder needs to be extended 20' from the ground floor to the next landing. How far
from the wall should the base of the ladder be? - Answers :5'
which of the following procedures would you use to get into a pit to service an elevator's
oil buffer? - Answers :Operate the bottom hoistwav access switch.
When you are installing pit equipment, which two items are required by the ASME A17.1
Code? - Answers :Pit switch and light switch
You are assembling the counterweight in the pit using the parameters provided in
Figure 2. At what height will you block the counterweight assembly for cabling? -
Answers :67"
You are preparing to drill a hole in a machine beam. What tool will you need to set the
center of the hole to keep the drill tip from wandering off the mark? - Answers :Center
punch
For a hydraulic elevator installation, which of the following items must be installed
before any pit equipment can
he set'? - Answers :Guid rails
When an elevator travels above the top terminal landing, what prevents the elevator
from striking the overhead? - Answers :Counterweight buffer
You are assigned to move job boxes and welding equipment to another construction
site. Which of the following procedures should be used to transport gas-welding
clinders? - Answers :Remove gauges. install protective cans. and secure in a vertical
position
Refer to Figure 3. You are ready to install the counterweight spreader brackets, but
suspect the wrong size has been sent by the manufacturer. What is the correct inside
dimension needed for the counterweight spreader brackets? - Answers :46 1/2
Refer to Figure 3. You are sent to a new site to survey a job. What is the total rise of this
elevator? - Answers :54-3 1/16"
Refer to Figure 3. When the car is level with the first landing, what is the distance
between the safety plank and the
top of the car butter? - Answers :9 5 /16"
, In a building that exceeds 150 feet of travel, what is used to improve traction between
the hoist ropes and machine
driver! - Answers :Compensation ropes.
When servicing the governor tension sheave, which switch should be used to prevent
the elevator from operating? - Answers :Pit stop switch
You are working on scaffolding installing brackets. As you approach the end of the
scaffold, the plank starts to slip.
What should have been done to prevent this? - Answers :End cleats should have been
nailed to the underside of the plank.
You are installing a car hitch plate and need to determine the correct rope drop from the
machine drive sheave.
Which of the following would be the best method? - Answers :Drop a plumb line.
If a valve spring shown on a layout drawing is measured at 1 3/8, and the scale for the
drawing is a 1 to 4 ratio. what is the actual size of the valve spring! - Answers :5 1/2"
If you direct your helpers to retrieve a standard rail, what size should they return with? -
Answers :16'
Refer to Figure I. The safety hitch connecting arm's dimensions are 1 1/4"
What is the metric equivalent? - Answers :3.175 cm
Refer to Figure 1. A moving walk layout indicates a clearance of 6.5 mm for the pallet
roller. What dimension would you read in inches on your ruler? - Answers :0.256'
You find that an AC contactor chatters when it is energized. Which of the following
would cause this problem? - Answers :Missing or broken shading coil
Refer to Figure 4. In the on-delay circuit shown, how is the capacitor charged? -
Answers :When relay S energizes, current flows through S 1/2, A 3/4, R3, C1, and RI.
You are plumbing a hoistway for a bank of elevators. Which lines are dropped first? -
Answers :The two outside main rails that are farthest apart
When filing rail joints, what is the distance you must file above and below the rail joint? -
Answers :18"
Referring to the diagram in Figure 5, what is the correct measurement from the back pit
wall to the center line of the ropes? - Answers :32 1/5"
Referring to the diagram in Figure 5, what is the measurement from the center line of
the drive sheave to the center line of the rails? - Answers :7 1/4"
