ibong tiririt mdsp 4

Question 1

chuck used on turrent lathe is:

Answer 1

three jaw independent chuck

Question 2

angle plate is used for:

Answer 2

cutting gears in a shaper

Question 3

for machining the flange 90-elbow on a lathe, which of the ff. device is used?

Answer 3

face plate

Question 4

sine bar cannot be used without a/an:

Answer 4

angle gage

Question 5

the operation of finishing a drilled hole to the correct size is known as:

Answer 5

reaming

Question 6

carbon steel drill should be operated at:

Answer 6

speed greater than that when using a high speed drill

Question 7

when cutting material in a lathe, the harder the material being cut, the tool bit should have:

Answer 7

less side rake

Question 8

on xx heavy pipe, the metal is added in the:

Answer 8

inside

Question 9

vavle seats are usually:

Answer 9

screwed in;

pressured in

2 answrs

Question 10

when grinding in valves, the disc is secured to the stem by:

Answer 10

inserting a cotter pin;

placing emery cloth between stem and disc

Question 11

in a duplex reciprcating pump:

Answer 11

the slide valve for the one cylinder is controlled in the piston of the outer cylinder

Question 12

the jerky operation of the reciprocating pump may be caused by:

Answer 12

small leaks in the suction line;

suction valve only partially open;

dirty suction valve

Question 13

It is used in the production of the flat
surface on pieces too large or too heavy to hold in a shaper.

Answer 13

Planer

Question 14

A machine tool used to produce a variety of surface of surfaces by using a circular type cutter with multiple teeth called

Answer 14

Milling Machine

Question 15

Cutting tool used to finish internal and external surfaces by the use of cutter called a broach, which has a series of cutting edges

Answer 15

Broaching Machine

Question 16

Group of thin steel strips used for measuring clearances.

Answer 16

Feeler Gage

Question 17

Bind of chuck, which should not be used where is accuracy desired is called

Answer 17

Universal Chuck

Question 18

The process used to retard compression thrust on iron pipe and fitting is called:

Answer 18

Galvanizing

Question 19

The system used for breaking scale from the evaporator coils while the evaporator is in operation is called:

Answer 19

cracking-off

Question 20

The coils in the evaporator are attached to the headers by:

Answer 20

union-type fitting

Question 21

When distilling salt water the cooling–water discharge from the distiller is fed back to the evaporator as feedwater:

Answer 21

to supply hot water to the evaporator for more economical operation

Question 22

An “offset” in pipe fitting refers to:

Answer 22

a bend in the pipe

Question 23

If a piston-type flush valve is not operating properly, the most likely cause would be:

Answer 23

a plugged bypass hole

Question 24

Before installing a new flange gasket be sure that the:

Answer 24

flange faces are absolutely clean

Question 25

What is a **standard wire gage:**

Answer 25

**#25 is smaller** than **#20**

Question 26

Which of the following ***tools*** would be most useful when **taking leads on bearings**

Answer 26

**micrometer**

Question 27

The ***wrench size*** for a **"¼” nut** is:

Answer 27

**1-1/4**

Question 28

Which of the following would **cause hot bearings**?

Answer 28

**improper oil** **dirt** in oil **improper alignment**

Question 29

**Melting point** of **Babbit** is approximately:

Answer 29

**650** deg.**F**

Question 30

how to **pour Babbit**?

Answer 30

must be poured **all at one time**

Question 31

A *machine tool*, which is **very similar to a shaper *except*** **the ram reciprocals vertically** rather that horizontally

Answer 31

**slotter**

Question 32

The *operation* of machining the **end of a workpiece** to **make a square with the axis**.

Answer 32

**squaring**

Question 33

The *operation* of **enlarging a hole** by means of an adjustable cutting tool with only **one cutting edge**.

Answer 33

**boring**

Question 34

It is **used to true and align machine tools** fixtures and works is at and **inspect size trueness of finished work**, and to **compare measurements either heights or depths** or many other measurements.

Answer 34

**dial** gage

Question 35

A tool used for **measuring diameters**.

Answer 35

**caliper**

Question 36

A *process* of **forming metals by the use of dies** *after the metal is forced to its plastic range*.

Answer 36

**roll**ing

Question 37

Which of the following **does not have to be lubricated** when *drilling*?

Answer 37

**"V"-Block**

Question 38

When *measuring a drill for size*, **measure across** the:

Answer 38

**margin**

Question 39

**N.C.** stands for:

Answer 39

**National Coarse**

Question 40

**N.F.** stands for:

Answer 40

**National Fine**

Question 41

The *tool* used in **precision work to smooth or enlarge holes** is called a:

Answer 41

**reamer**

Question 42

Which of the *following chisels* would be used for **cutting oil grooves**?

Answer 42

**round-nose** chisel

Question 43

A *mechanism*, which usually **does the indexing in a machine tool** is called:

Answer 43

**dividing** head

Question 44

What is the *common shop practice* to **prevent soldering from running away** from surface to be joined?

Answer 44

**Introduce around** the **work rolled wet cloth** Put **asbestos sheeting** *around the work* **Surround** the work **with clay**

Question 45

A *machinery operation* where by done with **the work accurately fastened has a reciprocating motion** and the **tool head is stationary is *called***:

Answer 45

**planning**

Question 46

What is the **difference between the shaper and a planer**?

Answer 46

The **tool of the shaper moves** while the **planer is stationary**

Question 47

**Valve stem packing** is **measured from thin**:

Answer 47

**OD of the valve stem** *to the* **ID of the packing box** | OD = OUTSIDE DIA ID = INSIDE DIA

Question 48

*Tool* used to c**ut threads on pipe** is called a:

Answer 48

pipe **stock**

Question 49

The *pipe fitting* which has t**wo opening and provides a turn of 90 deg.** Is called:

Answer 49

**elbow**

Question 50

A **plug cock *offers***:

Answer 50

**less resistance to flow** *than a globe valve* ## Footnote slkdshsdfhsda LESS RESISTANT = TIGHT???? COCK???