Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass - wool (4) Glass pieces

Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass - wool (4) Glass pieces
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(3) Glass - wool Explanation: Materials that do not transfer mechanical energy well. These tend to be soft, flexible, low density, and with high surface area to linear area ratios.
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Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass – wool (4) Glass pieces

Description : Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass – wool (4) Glass pieces

Last Answer : (3) Glass – wool Explanation: Materials that do not transfer mechanical energy well. These tend to be soft, flexible, low density, and with high surface area to linear area ratios.

An artificial stone made from pieces of white marble, white cement and other coloring agents, generally used for floor and facing walls is known as a) Topaz b) Marble c) Terrazzo* d) Gneiss

Description : An artificial stone made from pieces of white marble, white cement and other coloring agents, generally used for floor and facing walls is known as a) Topaz b) Marble c) Terrazzo* d) Gneiss

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The smoothened surface of the front face of the guay walls, is known as fending which is made of (A) Granite stone (B) Timber (C) Steel (D) All the above

Description : The smoothened surface of the front face of the guay walls, is known as fending which is made of (A) Granite stone (B) Timber (C) Steel (D) All the above

Last Answer : (D) All the above

State true of false. i) With paging, each process is divided into relatively small, fixed-size pages. ii) Segmentation provides for the use of pieces of varying size. A) Partition management B) Memory management C) Disk management D) All of the above

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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

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What are dung locks, floor sweepings or stained pieces of wool called?

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The brick work is measured in sq metre, in case of (A) Honey comb brick work (B) Brick flat soling (C) Half brick walls or the partition (D) All the above

Description : The brick work is measured in sq metre, in case of (A) Honey comb brick work (B) Brick flat soling (C) Half brick walls or the partition (D) All the above

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Pick up the correct statement regarding the centre line method of estimating a building (A) Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item (B) The centre line is worked out separately for different sections of walls of a building (C) The centre line length is reduced by half the layer of main wall joining the partition wall (D) All the above

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How to separate pieces of copper wire from a mixture of wood chips, sand and salt?

Description : How to separate pieces of copper wire from a mixture of wood chips, sand and salt?

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How do you prepare the floor of pulp chamber in molars: A. Swab and dry with cotton wool and excavate B. Use round bur to flatten the floor C. Under cut walls D. Use flat end fissure bur to make it levelled

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Magnetic keepers are pieces of – (1) Nickel (2) Cobalt (3) Steel (4) Soft iron

Description : Magnetic keepers are pieces of – (1) Nickel (2) Cobalt (3) Steel (4) Soft iron

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Magnetic keepers are pieces of (1) Nickel (2) Cobalt (3) Steel (4) Soft iron

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There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer the primary advantage of increased absorptive ability b. Films, such as Op-site, provide a water impermeable environment to achieve a dry wound c. Impregnates are fine gauze impregnated with a variety of substances such as antibiotics or moisturizing agents that adhere tightly to the wound and do not require a secondary dressing d. Absorptive powders and paste are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

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Last Answer : Answer: a, d Although the simplest dressing of gauze and tape combined with the use of antibacterial ointment can achieve moist wound healing in most patients. A multitude of other ... agents have high absorbency for tissue wound fluid and debride necrotic and fibrous material from the wound

In a nuclear reactor the material use for absorbing neutrons is – (1) zinc (2) radium (3) lead (4) cadmium

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Last Answer : (4) cadmium Explanation: One isotope of cadmium, 113Cd, absorbs neutrons with very high probability if they have an energy below the cadmium cut-off and transmits them otherwise. The cadmium ... below the cut-off are deemed slow neutrons, distinguishing them from intermediate and fast neutrons.

The critical mass of a fissionable material can be reduced by (A) Heating it (B) Cooling it (C) Surrounding it by neutron reflecting material (D) Surrounding it by neutron absorbing material

Description : The critical mass of a fissionable material can be reduced by (A) Heating it (B) Cooling it (C) Surrounding it by neutron reflecting material (D) Surrounding it by neutron absorbing material

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In a nuclear reactor the material use for absorbing neutrons is (1) zinc (2) radium (3) lead (4) cadmium

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Suggest the type of glass used for the following work: i) Making panel of partition wall ii) Cashier Cabin iii) Skylight iv) Door Shutter

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Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

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Of the following, which non-fissioning element is used in the cooling water of nuclear power plants to help control the rate of the fission reaction by absorbing neutrons: w) zirconium x) boron y) krypton z) cesium

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From where do we find the pieces of baked clay and burnt bone along with stone tools? -History

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Which bird eats pieces of stone and iron ?

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Paget’s disease shows in the late stages in jaws: a. Cotton wool. b. Ground glass. c. Orange peel. d. Beaten copped.

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Write two properties of glass wool and its uses related to the property.

Description : Write two properties of glass wool and its uses related to the property.

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What is glass-wool? Give its properties and applications.

Description : What is glass-wool? Give its properties and applications. 

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I heard of an invading, vanquishing army sweeping across the land, liquid-quick; conquering everything, quelling resistance. With it came darkness, dimming the light. Humans hid in their houses, while outside spears pierced, shattering stone walls. Uncountable soldiers smashed into the ground, but each elicited life as he died; when the army had vanished, advancing northward, the land was green and growing, refreshed. What is it? -Riddles

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Stucco paints are suitable for (A) Stone masonry (B) Brick walls (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Stucco paints are suitable for (A) Stone masonry (B) Brick walls (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : Answer: Option C

A heavy stone is suitable for (A) Arches (B) Rubble masonry (C) Roads (D) Retaining walls

Description : A heavy stone is suitable for (A) Arches (B) Rubble masonry (C) Roads (D) Retaining walls

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Pick up the correct statement from the following: (A) In stone arches, the stones are placed with their natural beds radial (B) In cornices, the stones are placed with their natural beds as vertical (C) In stone walls, the stones are placed with their natural beds as horizontal (D) All the above

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Weep holes are provided in retaining and breast walls (A) To drain off the water from the filling (B) To ventilate the stone masonry (C) To add architectural beauty (D) To increase compaction of the earth retained

Description : Weep holes are provided in retaining and breast walls (A) To drain off the water from the filling (B) To ventilate the stone masonry (C) To add architectural beauty (D) To increase compaction of the earth retained

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Why is steel wool NEVER used as an abrasive to clean soldering tools?

Description : Why is steel wool NEVER used as an abrasive to clean soldering tools?

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Why is the sound of someone else munching chips really annoying?

Description : Why is the sound of someone else munching chips really annoying?

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Little pieces of glass in my arm, help!

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What, besides coefficient of expansion, could make two pieces of glass incompatible for firing together?

Description : What, besides coefficient of expansion, could make two pieces of glass incompatible for firing together?

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Romeo and Juliet are found dead on the floor in a bedroom. When they were discovered, there were pieces of glass and some water on the floor. The only furniture in the room is a shelf and a bed. The house is in a remote location, away from everything except for the nearby railroad track. What caused the death of Romeo and Juliet? -Riddles

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Last Answer : Romeo and Juliet are fish. The rumble of the train knocked the tank off the shelf, it broke and Romeo and Juliet did not survive.

The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is(A) Polyvinyl alcohol(B) Polyvinyl acetate(C) Polyvinyl butyral(D) PVC

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Why are broken glass pieces or cullets added during the manufacture of glass?

Description : Why are broken glass pieces or cullets added during the manufacture of glass?

Last Answer : Pieces of broken glass are added to increase fusibility and to recycle broken glass pieces.

What is a good alternative material to wool for mittens?

Description : What is a good alternative material to wool for mittens?

Last Answer : Cotton is always a good material if you don't plan on getting them wet. It also breathes well.

In which of the following industries is mica used as a raw material? (a) Electrical (b) Iron and steel (c) Toys (d) Glass and pottery

Description : In which of the following industries is mica used as a raw material? (a) Electrical (b) Iron and steel (c) Toys (d) Glass and pottery

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Which of the following is the most elastic material? (A) Plastic (B) Glass (C) Steel (D) Rubber

Description : Which of the following is the most elastic material? (A) Plastic (B) Glass (C) Steel (D) Rubber

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Which of the following material is more elastic? (a) Rubber (b) Glass (c) Steel (d) Wood

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Wollen clothes keep the body warm because (1) Wool increases the temperature of the body (2) Wool is a bad conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects

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What material is the IC chips of a computer made of? -General Knowledge

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Pick out the wrong statement. (A) Seam welding, projection welding & spot welding are the classification of electrical resistance welding (B) Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t = plate thickness to be welded) (C) In spot welding, two pieces to be joined are overlapped and placed between two electrodes (D) Mild steel sheet cannot be spot welded

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