Description : Water hammer is caused in steam carrying pipelines, because of (A) Partial condensation of steam (B) Vibration of the pipeline (C) High degree of superheat of steam (D) Its exposure to torrential rain
Last Answer : (A) Partial condensation of steam
Description : Disc compensators are provided in large diameter fuel gas carrying pipelines to (A) Keep the pipe in proper orientation (B) Make the pipe joint leak-proof (C) Account for contraction/expansion ... due to temperature changes of the surroundings (D) Account for the pressure variation side the pipeline
Last Answer : (C) Account for contraction/expansion of pipe due to temperature changes of the surroundings
Description : Pick out the wrong statement about cavitation. (A) Sudden reduction of pressure in a fluid flow system caused by flow separation, vortex formation or abrupt closing of valve leads to cavitation ... (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades
Last Answer : (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades
Description : Which of the following is the most widely used insulating material for steam carrying pipelines? (A) Ceramic fibre blanket (B) Glass wool and 85% magnesia (C) Vermiculite (D) Slag wool
Last Answer : (B) Glass wool and 85% magnesia
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 : Which of the following is the most widely used heat insulating material for pipelines carrying steam? (A) Tar dolomite bricks followed by asbestos (B) Fireclay refractory followed by aluminium sheet (C) Cotton followed by aluminium foil (D) 85% magnesia cement and glass wool
Last Answer : (D) 85% magnesia cement and glass wool
Description : Identification of pipelines carrying different liquids and gases is done by the __________ of the pipe. (A) Diameter (B) Colour (C) Altitude (D) None of these
Last Answer : (B) Colour
Description : A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted ... ) Remain unaffected (D) May increase or decrease; depends on the thickness of each layer
Last Answer : Option C
Description : Surge tanks are provided in high pressure water pipelines to (A) Store a definite quantity of water all the time (B) Reduce the water hammer (C) Facilitate easy dismantling of pipeline for cleaning and maintenance (D) None of these
Last Answer : (B) Reduce the water hammer
Description : Water hammer in a pipeline results from the (A) Bursting of pipelines due to closure by a valve (B) Rapid pressure change due to a rapid change in the rate of flow (C) Pressure increase due to closure of a valve resulting in decrease in rate of flow (D) None of these
Last Answer : (B) Rapid pressure change due to a rapid change in the rate of flow
Description : __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently. (A) Collar (B) Flanged (C) Bell and Spigot (D) Expansion
Last Answer : Option B
Description : Describe the importance of pipelines in India. Name three important networks of pipeline transportation in the country. -SST 10th
Last Answer : Pipeline transport network is a new arrival on the transportation map of India.Earlier it was used to transport water but these days it is used for the following: (i) Transport of crude oil, ... Vijaipur in MP. It has branches to Kota in Rajasthan, Shahajahanpur, Babrala and other places in UP.
Description : Which colour is formed when Red and Green are mixed? (1) Light blue (2) Yellow (3) White (4) Grey
Last Answer : (2) Yellow Explanation: Red, green and blue are the primary colors and all other colors can be created from them. When red and green combine, the result is yellow.
Description : 'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product ... 1 to 5 (B) 10 to 20 (C) 25 to 35 (D) 35 to 45
Last Answer : (B) 10 to 20
Description : Black and Blue. Red and Green. Yellow and Blue. Green and Grey. I am all colours. You can try to get close to me, but you can't escape my vision. If you get greedy, you will try to take your colours for yourself, but before you know it, I will be eating you for lunch. What am I? -Riddles
Last Answer : A Chameleon.
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 : Match List-I with List-II and select answer from the codes given below- List-I (a) White Revolution (b) Grey Revolution (c) Blue Revolution (d) Green Revolution List-II 1. Fertilizer production 2. Fish production 3. Cereal production 4. Milk ... (A) 4 1 2 3 (B) 1 2 3 4 (C) 2 4 3 1 (D) 1 3 4 2
Last Answer : (A) 4 1 2 3
Description : Give various photoemissive materials and suggest relevant combination of material for LED to emit Yellow and Green colour.
Last Answer : Various photoemmisive materials are as follows Zinc Potassium Lead sulphate Sodium Cadmium sulphide Relevant combination of material for LED to emit Yellow colour 1. Gallium Phosphide(GaP) ... 1. Gallium Phosphide(GaP) 2. Aluminum Gallium Indium Phosphide 3. Aluminum Gallium Phosphide
Description : Stefan-Boltzmann law applies to __________ body. (A) Black (B) White (C) Grey (D) Any colour
Last Answer : (A) Black
Description : A student took Sodium Sulphate solution in a test tube and added Barium Chloride solution to it. He observed that an insoluble substance has formed. The colour and molecular formula of the insoluble substance is (a) Grey, Ba2SO4 (b) Yellow, Ba(SO4)2, (c) White, BaSO4 (d) Pink, BaSO4,
Last Answer : Answer: (c) White, BaSO4
Description : Steam trap is used to (A) Condense the steam flowing in the pipeline (B) Remove water resulting from partial condensation of steam (C) Stop the supply of steam (D) None of these
Last Answer : (B) Remove water resulting from partial condensation of steam
Description : What do you understand by the word regur ? (a) Black soil found in the Deccan (b) Grey-brown soil found in Russia (c) Red, colour sticky soil, found in the Amazon area (d) Black soil found in northern Argentina shop.ssbcrack.com
Last Answer : Ans: (a)
Description : Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey
Last Answer : (b). Blue to white
Description : A hacker who gains access to system with a view to fix the identified weaknesses is known as a. White hat hackers b. Grey hath hackers c. Red hat hackers d. Hacktivist
Last Answer : a. White hat hackers
Description : __________ paint has the maximum absorption coefficient. (A) Black (B) Yellow (C) White (D) Grey
Description : A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? (A) Yellow paint (B) White paint (C) Black paint (D) Grey paint
Last Answer : (C) Black paint
Description : 23 Which one of the following sets of colour combinations is added in colour vision in TV? A. Red, green and blue B. Orange, black and violet C. White, red and Yellow D. Green, Yellow and Blue
Last Answer : ANSWER: A
Description : Persons who are colour-blind cannot distinguish between – (1) yellow and white (2) green and blue (3) red and green (4) black and yellow
Last Answer : (3) red and green Explanation: A person with colour-blindness has trouble seeing red, green, blue, or mixtures of these colours. The most common type is redgreen colours - blindness, where red and green are as the same colour.
Description : Which combination of colour is the most convenient during day and night time? (1) Organe and blue (2) While and black (3) Yellow and blue (4) Red and green
Last Answer : (4) Red and green Explanation: Red and green is the most convenient combination during day and night time because of very precise visibility. In modem colour theory, also known as the RGB colour ... almost any colour. This is the principle used to make the colours on computer screen and television.
Description : Which combination of colour is the most convenient during day and night time ? (1) Organe and blue (2) White and black (3) Yellow and blue (4) Red and green
Last Answer : Red and green
Description : Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode (A) Occurs higher in the electro-chemical series of metals (B) Is exemplified by magnesium plate (C) ... cathodic base material to be guarded against corrosion (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Fresh domestic sewage is __________ in color. (A) Grey (B) Dark brown (C) Red (D) Black
Last Answer : (A) Grey
Description : Oxyacetylene reducing flame is used while carrying out welding on (A) Alloy steel (B) Grey cast iron (C) Mild steel (D) High carbon steel
Last Answer : (C) Mild steel
Description : A student has been collecting silver coins and copper coins. One day she observes a black coating on silver coins and a green coating on copper coins. Which chemical phenomenon is responsible for these coatings? Write the names of black and green coatings.
Last Answer : The phenomenon is called corrosion. Silver gets tarnished when exposed to atmosphere which forms a black coating of silver oxide. Copper forms a green deposit on its surface when exposed to moist air. The green coating is copper sulphate.
Description : Eyes color change from blue, grey then to green?
Last Answer : Yes, it's normal. I have similar experiences with my eyes. If I recall correctly, blue eyes actually lack pigment (melanin) that would otherwise give them color on their own. Light bounces off the ... got that information from. I'll link it when I remember and find it again.- Welcome to Fluther
Description : If eyes can't actually change color, how can someone's eyes appear green, blue, or even grey on any given day?
Last Answer : I have hazel eyes. It does that for me. Depends on what I wear.
Description : Cost incurred towards __________ in a chemical plant is a component of the utilities cost. (A) Water supply (B) Running a control laboratory (C) Property protection (D) Medical services
Last Answer : (A) Water supply
Description : Effluent treatment cost in a chemical plant is categorised as the __________ cost. (A) Fixed (B) Overhead (C) Utilities (D) Capital
Last Answer : (C) Utilities
Description : Total product cost of a chemical plant does not include the __________ cost. (A) Market survey (B) Operating labour, supervision and supplies (C) Overhead and utilities (D) Depreciation, property tax and insurance
Last Answer : (A) Market survey
Description : Which of the following is not a component of the fixed capital for a chemical plant facility? (A) Raw materials inventory (B) Utilities plants (C) Process equipment (D) Emergency facilities
Last Answer : (A) Raw materials inventory
Description : Utilities cost in the operation of chemical process plant comes under the (A) Plant overhead cost (B) Fixed charges (C) Direct production cost (D) General expenses
Last Answer : C) Direct production cost
Description : The colour bands on a carbon composition resistor occur in the sequence: yellow, violet, yellow and silver. Its resistance is (a) 470 KΩ ± 47 KΩ (b) 470 KΩ ± 23.5 % (c) 47 KΩ ± 10 % (d) 47 KΩ ± 5 %
Last Answer : The colour bands on a carbon composition resistor occur in the sequence: yellow, violet, yellow and silver. Its resistance is 47 KΩ ± 10 %
Description : Jai is having in his home four pet dogs named Saty, Jany, Rex, and Leo. The colors of the dogs are Brown, White, Grey and Black (not necessarily in the same order). The four dogs belong to different ... in color, then which dog belongs to pug breed? (a)Saty (b)Rex (c)Jany (d)Cannot be determined
Last Answer : (a)Saty
Description : Jai is having in his home four pet dogs named Saty, Jany, Rex, and Leo. The colors of the dogs are Brown, White, Grey and Black (not necessarily in the same order). The four dogs belong to ... Labrador breed. Which dog belongs to Labrador breed? (a)Saty (b) Leo (c)Jany (d)Cannot be determined
Last Answer : (d)Cannot be determined
Description : Jai is having in his home four pet dogs named Saty, Jany, Rex, and Leo. The colors of the dogs are Brown, White, Grey and Black (not necessarily in the same order). The four dogs belong to different breeds- ... the color of Alsatian dog? (a) Brown (b) Grey (c) Either(a)or(b) (d)None of these
Last Answer : (c) Either(a)or(b)
Description : Jai is having in his home four pet dogs named Saty, Jany, Rex, and Leo. The colors of the dogs are Brown, White, Grey and Black (not necessarily in the same order). The four dogs belong to different breeds- ... Pug, then what could be the color of Saty? (a) White (b) Black (c) Brown (d) Grey
Last Answer : Ans: option (b)
Description : Jai is having in his home four pet dogs named Saty, Jany, Rex, and Leo. The colors of the dogs are Brown, White, Grey and Black (not necessarily in the same order). The four dogs belong to different breeds- ... , then what could be its breed? (a) Labrador (b) Pug (c)Bull dog (d) None of these
Last Answer : (c)Bull dog
Description : The resistance of a carbon resistor of colour code Red-Red Green Silver is (in `k Omega`)
Last Answer : The resistance of a carbon resistor of colour code Red-Red Green Silver is (in `k Omega`) A. `22 00 pm 5%` ... pm 10%` C. `220 pm 10%` D. `220 pm 5%`
Description : My azaleas are light green bordering on grey and have black spots under the leaves???
Last Answer : You have a fungas infection. This is common with this species. Mix 1/2 cup vinegar (white is have it) with 6 oz of water and 1/2 teaspoon of sugar. Mist your Azaleas, do not spray a large ... the procedure every night for at least a week. The Azaleas will love it, the fungas will die. -Birdy