Description : The steam ejector is used to (A) Remove condensate from the steam pipelines (B) Create vacuum (C) Superheat the steam (D) None of these
Last Answer : (B) Create vacuum
Description : Steam traps are provided in steam carrying pipelines to (A) Condense steam (B) Release excess steam pressure by bleeding steam (C) Remove condensate and inert gases (D) None of these
Last Answer : (C) Remove condensate and inert gases
Description : Trap is used to remove __________ from steam pipe lines. (A) Steam (B) Condensate (C) Non-condensable (D) None of these
Last Answer : (B) Condensate
Description : Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m2 .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat ... drop through the exchanger is desired (D) Temperature of the incoming vapor is very high
Last Answer : (B) Supersaturated
Description : Pick out the wrong statement: (A) The capacity of an evaporator is reduced by the boiling point elevation (B) Corrosive liquid is normally passed through the tubes in a ... recompression evaporator (D) Heat sensitive materials should be concentrated in high pressure evaporators
Last Answer : (D) Heat sensitive materials should be concentrated in high pressure evaporators
Description : Before working on an electric cargo winch master switch or controller, you should _____________. A. spray the gasket surface with a solvent B. drain condensate from the box C. open the circuit breaker in the power supply and tag D. heat the switch box to remove any moisture
Last Answer : Answer: C
Description : Q No: 131 The most widely used pump for lifting sewage is A. Centrifugal pump B. Reciprocating pump C. Pneumatic ejector D. Air pressure pump
Last Answer : ANS: A
Description : In a gas-liquid shell and tube heat exchanger, the (A) Presence of a non-condensable gas decreases the condensing film coefficient (B) Gases under high pressure are routed through the tube side, because high pressure ... water or steam condensate remain localised to the tubes (D) All 'a', 'b' & 'c'
Last Answer : (D) All 'a', 'b' & 'c'
Description : The film co-efficient between condensing vapour and metal wall increases with (A) Increasing temperature of the vapour (B) Decreasing temperature of the vapour (C) Increasing viscosity of the film of condensate (D) Increasing temperature drop
Last Answer : (A) Increasing temperature of the vapour
Description : when steam is condensate volume is drastically……. a) reduces b) increase c) both a) & b) d) None of above
Last Answer : a) reduces
Description : In most of the vacuum crystalliser, vacuum is generally produced by means of a (A) Suction pump (B) Compressed air jet (C) Steam jet ejector with a barometric condenser (D) None of these
Last Answer : (C) Steam jet ejector with a barometric condenser
Description : The separation of liquid droplets from the vapor is done by a/an __________, in the evaporators. (A) Steam ejector (B) Entrainment separator (C) Compressor (D) Vacuum pump
Last Answer : (B) Entrainment separator
Description : Flue gas from the heating chamber of byproduct coke ovens is removed by (A) Forced draft fan (B) Induced draft fan (C) Steam ejector (D) Natural draft
Last Answer : (D) Natural draft
Description : When the head pumped against is less than the head of the fluid used for pumping, the usual device is a/an (A) Ejector (B) Blower (C) Injector (D) Airlift
Last Answer : (D) Airlift
Description : For the production of very high vacuum, a __________ pump is normally used. (A) Diffusion (B) Centrifugal (C) Jet ejector (D) Piston
Last Answer : (A) Diffusion
Description : The back pressure created by lift is approximately ______PSIG for every 2 feet of condensate lift. a. 1 PSIG b. 3PSIG c. 1PSGI d. 3PSGI
Last Answer : a. 1 PSIG
Description : What happens when air dissolves in condensate? a) non corrosive b) temperature of air increases c) corrosive d) none of above
Last Answer : c) corrosive
Description : The non-clog pump which permits solid matter to pass out with the liquid sewage, is A. Centrifugal pump B. Reciprocating pump C. Pneumatic ejector D. None of these
Description : The disintegrating pump in which solid matter is broken up before passing out, is A. Centrifugal pump B. Reciprocating pump C. Pneumatic ejector D. None of these
Description : A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is A. 2.30 m B. 2.40 m C. 2.45 m D. 2.50 m
Last Answer : ANS: C
Description : Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is? A. Centrifugal pump B. Pneumatic ejector C. Reciprocating pump D. None of these
Description : What Is The Use Of Ejector?
Last Answer : Ejector is used to create Vacuum for process.
Description : What is an air ejector?
Last Answer : An air ejector is a steam siphon that removes non-condensable gases from the condenser.
Description : What is ejector? Explain role and necessity of ejector in the design of jigs and fixtures.
Last Answer : Ejector: Ejector is used to remove the work piece from close fitted locators and is present behind the work piece. Ejector speed up the operation by reducing unloading time. This increases the ... [6] The combined mechanism used in Ejectors can be powered hydraulically or by compressed air.
Description : What is ejector? State its necessity in the design of jigs and fixtures.
Last Answer : Concept of ejector: A device, which is used to remove the work piece from the machine after completion of operation, is known as ejector. Necessity: In the design of jigs and fixture , ... been machined. Ejector speeds up the unloading of the work piece and thus increases the production rate.
Description : . The condensate obtained on compression of wet natural gas is termed as (A) Liquefied natural gasoline (B) Natural gasoline (C) Liquid natural gas (D) None of these
Last Answer : (B) Natural gasoline
Description : Pick out the wrong statement. (A) The condensing film co-efficient is about 3 times lower for vertical condenser as compared to the equivalent horizontal condenser for identical situation ( ... in a heat exchanger is controlled by the value of the film co-efficient, which is higher
Last Answer : (D) Overall heat transfer co-efficient in a heat exchanger is controlled by the value of the film co-efficient, which is higher
Description : Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low (A) Hardness (B) Dissolved solids content (C) Suspended solids content (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : A process stream of dilute aqueous solution flowing at the rate of10 Kg.s -1 is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s -1 . A 1 ... side (C) Parallel flow with process stream on shell side (D) Parallel flow with process stream on tube side
Last Answer : (A) Counter flow with process stream on shell side
Description : Corrosiveness of steam condensate is due to the presence of (A) CO2 (B) Dissolved O2 (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : The thickness of condensate layer in filmwise condensation depends on the (A) Condensation rate (B) Surface configuration (C) Liquid flow rate from the surface (D) All (A), (B) and (C)
Description : Can condensate control in a reboiler cause water hammer problems?
Last Answer : This topic was recently discussed in our online forum. The short answer to this specific question is not very often . It is very common to control reboilers on distillation columns via this ... to weld on the shell of the exchanger. (See graphic below) Reference: Cheresources Message Board
Description : What is condensate lift?
Last Answer : This is a term that is usually used to indicate how much pressure is required to lift' condensate from a steam trap or other device to it's destination at a condensate return line or ... steam trap with a separation vessel and a condensate pump to push the condensate to the return line.
Description : What is a Bose-Einstein condensate?
Last Answer : A Bose-Einstein condensate is a state of matter that occurs at extremely low temperatures, in which a large number of bosons, a type of subatomic particle, occupy the same quantum state, and it exhibits unique quantum mechanical properties.
Description : Describe the Bose-Einstein Condensate. -Space
Last Answer : In condensed matter physics, a Bose-Einstein condensate (BEC) is a state of matter (also called the fifth state of matter) which is typically formed when a gas of bosons at low densities is cooled ... (about one-hundred-thousandth (1/100,000) the density of normal air) to ultra-low temperatures.
Description : How do I go about a company report about a newly discovered gas condensate field?
Last Answer : A company report (business report) should be clear and conciseand formatted to follow a logical sequence.An informal report can be in the form ... as follows:Title (what the report is about)Content ListSummaryIntroductionProcedure/MethodologyFindingsConclusionsRecommendationsAppendices/Attachments
Description : Coast Guard Regulations (46 CFR), require that an indicating light at the propulsion control station will operate if overloading or overheating occurs in a _______________. A. forced draft blower motor B. steering gear motor C. fuel pump motor D. condensate pump motor
Last Answer : Answer: B
Description : An overload in which of the listed motors will result in the illumination of an indicating light at the propulsion control station alarm panel? A. Fuel pump motor B. Steering motor C. Condensate pump motor D. Forced draft blower motor
Description : Bose Einstein condensate was first pre- dicted by?
Last Answer : Sathyendra Nath Bose and Albert Einstein
Description : _______ cooling towers use a process similar to the one found in small evaporative cooling units. a. Hyperboloid b. Tower c. Condensate loop d. None
Last Answer : a. Hyperboloid
Description : Once the condensate reaches the _____ , it becomes available to the boiler for recycling. • Condenser • Turbine • Boiler • Generator
Last Answer : • Boiler
Description : A steam and condensate system represents a _____ loop. • Discontinuous • Continuous • None of the above • All of the above
Last Answer : • Continuous
Description : Water that is fed back to the boiler by the pump is called? a. Absorber b. Absolute c. Compressor d. Condensate
Last Answer : d. Condensate
Description : A device known as a _______ is used to release condensate from the pipework whilst preventing the steam from escaping from the system. a. Steam traps b. Steam pipes c. Boiler nose d. Release valve
Last Answer : a. Steam traps
Description : Condensate is the liquid formed when steam passes from the ________ to the ______ state. a. Vapor, solid b. Solid, liquid c. Vapor, liquid d. None
Last Answer : c. Vapor, liquid
Description : The _______ system includes anywhere that the steam condenses to form liquid water. a. Loop b. Power c. Liquid d. Condensate
Description : A __________ is a type of heat exchange system where water is heated to its' boiling point via combustion of a fuel blown through a tube submerged in water. a. Condensate loop b. Hyperbolic cooling tower c. Steam boiler d. All of above
Last Answer : c. Steam boiler
Description : Which cooling Towers use a process similar to the one found in small evaporation active cooling units a) hyperbolic b) Tower c) condensate loop d) none of these
Last Answer : a) hyperbolic
Description : ____________is used to release condensate in pipe work a) steam trap b) valves c) power generators d) none of above
Last Answer : b) valves
Description : The term _________ is traditionally used to describe steam issuing from condensate receiver vents and openended condensate discharge lines from steam traps. a. dry steam b. wet steam c. phase steam d. flash steam
Last Answer : flash steam