5th final Flashcards
(50 cards)
The solubility of a gas in a liquid is usually ______at the liquid’s boiling point.
Lowest
Name two important functions of the memory section of the PLC processor?
both A and B
In vulcanization, the more sulfur that is added the _____ the rubber becomes
Harder
What parts of a transformer generally contribute to its temperature rise in ?
copper winding
die casting is the ____ of all casting methods. it is used to cast _____ metals
fastest nonferrous
if both ends of a sing are attached to the hoist hook and a load is suspended from the center of the sling
basket
you should not use metal- mesh slings
if the spirals do not move freely
Which of the following hooks has a point designed to fit into a hole in the load?
Sorting hook
Describe the mechanical operator option available for multi-pole fused disconnect switches and circuit breaker
Multi-pole devices are generally ganged together with a single common operator
An adhesive made of water-soluble gums and starches is called
Mucilage
Why is the low-voltage bulb in the pilot light preferred
It will withstand vibration.
What method of molding produces intricate parts at high speed and low cost?
Injection molding
In annealing, a metal should be heated to a temperature above its critical temperature, and then
Cooled slowly
What is the solenoid current in amperes with the plunger in the closed position?
Sealed or holding current
If you have no clearance to remove a sling after setting the equipment down, you should lower the equipment onto
wedges
What is the advantage of panel mounting a contact block?
The mounting provides space for terminal block installation.
If the strands of a wire rope appear to spiral down to the right, and if the wires in the strands appear to be parallel to the rope
Right regular lay
You should remove a synthetic-web sling from service if
It is scorched
If a sling leg is attached to a suspended load at an angle of less than 90”, the horizontal force acting on the sling leg
Increases as the sling angle gets smaller
In sandblasting, the intensity that produces the best anchor pattern for paint is called _____ blasting
white
type N mortar is a _____strength mortar used for ______ bearing clay tile construction
medium , load
Because of its higher carbon content,_____has a lower melting point than______
Cast iron , steel
Which nickel alloy is commonly used for making the heating elements in toasters? (^®invar and Monel are trade names
Nichrome*
Which of these wire-rope end fittings is the most efficient (assuming all are prepared correctly)?
Speltered socket
