500 terms for PIPE

Question 1

Is the most common dryer used which consist of rotating cylinder inside which materials flow while getting in contact with hot gas.

Answer 1

Rotary Dryer

Question 2

The total heat of air is a function of:

Answer 2

WB Temperature

Question 3

the Ratio of the mass of water-vapor in air and the mass of air if it is saturated is called:

Answer 3

Relative Humidity (RH)

Question 4

The hands feel painfully cold when the skin temperature reaches

Answer 4

10 deg. C

pila kabook fingers sa hands? 10!!!

Question 5

The refrigerant used in steam jet cooling is:

Answer 5

Water

Steam = water

Question 6

Boiling point of Freon-12 at atmospheric pressure is:

Answer 6

21 deg. F

baliktad sa 12 (from FREON-12)

Question 7

Which of the following is NOT a type of water-cooled condenser in refrigeration?

Answer 7

Shell and Coil

Question 8

Component of absorption refrigeration system in which the solution is cooled by cooling water:

Answer 8

Absorber

Question 9

Cascade refrigeration cycle is often used in industrial process where objects must be cooled to temperature below:

Answer 9

-46 deg. C

Question 10

Type of refrigeration control designed to maintain a pressure difference while the compressor is operating.

Answer 10

Capillary Tube

Question 11

As a rule of thumb, for a specified amount of compressed air, the power consumption of the compressor decreases by ____ for each 3deg.C drop in the temperature inlet air to the compressor.

Answer 11

1 percent

Question 12

Modern day way of detecting air compressor leak

Answer 12

Acoustic Leak detector

Question 13

For foundation of stacks, the maximum pressure on the soil is equal to the pressure due to the weight and the ____

Answer 13

wind movement

Question 14

foundation bolts of specified size should be used and surrounded by a pipe sleeve with an inside diameter of at least

Answer 14

3 times the diameter of anchor bolt

Question 15

for multi-compression of an ideal brayton cycle, the back work ratio will

Answer 15

decrease

Question 16

type of turbine that has a specific speed below 5.

Answer 16

Impulse turbine

Question 17

a high discharge type of turbine

Answer 17

propeller turbine

Question 18

used to minimize the speed rise due to a sudden load rejection

Answer 18

Jet deflector

Question 19

is the speed of a turbine when the head on the turbine is one meter

Answer 19

unit speed

Question 20

is a fluid property which refers to the intermolecular attraction by which the separate particles of the fluid arc held together

Answer 20

cohesion

Question 21

which of the ff. is not the cause of black smoke in diesel engine?

Answer 21

high compression pressure

Question 22

which of the ff. is not a method of starting a diesel engine?

Answer 22

Using another generator

Question 23

Two-stroke engine performs ____ to complete one cycle

Answer 23

compression and power stroke

Question 24

A type of geothermal plant used when there is a presence of brine extracted from underground

Answer 24

Binary geothermal plant

Question 25

most important **safety device** on the **power boiler**

Answer 25

**safety boiler**

Question 26

During **hydrostatic test**, the **safety valves** should be

Answer 26

**removed**

Question 27

Where **deaerating heaters are not employed**, it is recommended that the **temperature of the feed water be not less than _**

Answer 27

**197** deg.C

Question 28

It is a *reaction* during which **chemical energy is released** in the **form of heat**.

Answer 28

**Exothermic** Reaction

Question 29

By **reheating the steam** in an ideal **Ranking cycle** the **heat rejected** will:

Answer 29

**in**crease

Question 30

By **increasing the boiler pressure** in **Rankine cycle** the **moisture content at boiler exit** will:

Answer 30

**in**crease

Question 31

Presently the **highest steam temperature** allowed at the **turbine inlet** is about ____

Answer 31

**620** deg.**C**

Question 32

Two **most common gases** employed in **Stirling and Ericsson** cycles are:

Answer 32

**Hydrogen** and **Helium**

Question 33

In most commen designs of **Gas turbine**, the **pressure ratio ranges from**:

Answer 33

**11** to **16**

Question 34

In **Brayton cycle**, the **heat is transformed during** what process?

Answer 34

**isobaric** process

Question 35

The **fuel injection** process in diesel engine **starts when the piston** ___

Answer 35

**approaches** TDC

Question 36

I the **cut-off ratio** of diesel cycle **increases**, the **cycle efficlency will**

Answer 36

**de**crease

Question 37

The **fuel used in a power plant** that is used **during peak periods**.

Answer 37

**Liquid**

Question 38

Typical **compression ratio** of **Otto** cycle is

Answer 38

**8**

Question 39

If **Joule Thompson coefficient** is equal to **zero**, then the **process will** become

Answer 39

**isothermal**

Question 40

I the **fluid passed through a nozzle** its **entropy will**:

Answer 40

**remain** the same

Question 41

**Refrigerants** consisting of mixtures of two or more **different chemical compounds**, *often used individually as refrigerants for other application*s.

Answer 41

**blends**

Question 42

An **enclosed passageway** that **limits travel to a single path**.

Answer 42

**corridor**

Question 43

**Pairs of mating stop valves** that* allow sections of a system to be joined* before opening these valves or *separated after closing them*

Answer 43

**Companion** valve

Question 44

For *immediate dangerous to life or health* (**IDHL**), the **maximum concentration** from which unprotected persons are able to escape ***within* _____ without escape-impairing symptoms or irreversible health**.

Answer 44

**30 minutes**

Question 45

Is also known as **deaerator**.

Answer 45

**open** heater

Question 46

The ***volume*** as **determined from internal dimensions of the container** with **no allowance for the volume of internal parts**.

Answer 46

**internal gross** volume

Question 47

A walting room or large hallway **serving as a waiting room**.

Answer 47

**lobby**

Question 48

A *continuous and **unobstructed path* of travel** from any point in a bullding or **structure to a public way**.

Answer 48

***mean* of aggress**

Question 49

Any device or portion of the equipment used to increase refrigerant pressure.

Answer 49

**pressure-imposing element**

Question 50

The **quantity of refrigerant stored** at some point is the refrigeration system **for operaticnal, service, or standby purposes**.

Answer 50

**pumpdown charge**

Question 51

**Secondary refrigerant** is a liquid used for the **tramsmission of heat**, without a change of state, and having **no flash point or a flash point above** ____ as **determined from ASTM**.

Answer 51

**150**deg. **F**

Question 52

A dryer type In which material to be dried is supported on a floor through which the hot gases pass. This dryer is used for copra, coal, and enamel wares.