Plasticisers are added to synthetic plastics to
(A) Impart flexibility
(B) Improve workability during fabrication
(C) Develop new improved properties not present in the original resins
(D) All (A), (B) and (C)
Description : Plasticisers are added to synthetic plastics to (A) Impart flexibility (B) Improve workability during fabrication (C) Develop new improved properties not present in the original resin (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? (A) Ethylene glycol (B) Stearic acid estors (C) Tricresyl phosphate (D) Esters of phthalic acid
Last Answer : (A) Ethylene glycol
Description : Plasticisers are added to polymers to improve their (A) Tensile strength (B) Softness & flexibility (C) Acid resistance (D) Alkali resistance
Last Answer : (B) Softness & flexibility
Description : Rosin soap is added during paper manufacture to (A) Impart adhesive properties (B) Improve opacity (C) Impart resistance to penetration by liquids (D) None of these
Last Answer : (C) Impart resistance to penetration by liquids
Description : __________ are added in lacquers to remove film brittleness and to improve adhereness. (A) Film forming materials (B) Plasticisers (C) Diluents (D) Solvents
Last Answer : (B) Plasticisers
Description : Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its (A) Tensile strength (B) Chemical resistance (C) Flexibility (D) All (A), (B) & (C)
Last Answer : (C) Flexibility
Description : Sizing material is incorporated in paper to (A) Impart resistance to penetration by liquids (B) Increase its thickness (C) Increase its flexibility & opacity (D) Increase its brightness
Last Answer : (A) Impart resistance to penetration by liquids
Description : Pick up the correct statement from the following: (A) Plastics have generally low melting point (B) The coefficient of thermal expansion of plastics is about three times than that of steel (C) ... fibre-glass with phenolic resins has absorption coefficient of about 0.67 (D) All the above
Last Answer : Answer: Option D
Description : Rank the following impressions materials according to their flexibility A. Alginate> Polysulphide> Silicone> Zinc Oxide Eugenol B. Silicone> Alginate> Polysulphide> Zinc Oxide Eugenol C. ... Eugenol> Silicone> Polysulphide 300.Denture resins are usually available as powder and liquid that
Last Answer : D. Alginate> Silicone> Polysulfide> Zinc Oxide Eugenol
Description : . Plasticisers are added to paints to (A) Make it corrosion resistant (B) Make glossy surface (C) Give elasticity & prevent cracking of the film (D) Increase atmospheric oxidation
Last Answer : (C) Give elasticity & prevent cracking of the film
Description : Antiatherosclerotic effect of which class of hypolipidemic drugs may involve additional mechanisms like improved endothelial function, reduced LDL oxidation and antiinflammatory property: A. Bile acid sequestrant resins B. Statins C. Fibrates D. Nicotinic acid
Last Answer : B. Statins
Description : Workability improved by adding (A) Air-entraining agent (B) Foaming agent (C) Oily-agent (D) All the above
Last Answer : (D) All the abov
Description : Workability improved by adding (A) Fly ash (B) Hydrated lime (C) Calcium chloride (D) All the above
Description : The workability of concrete can be improved by adding (a) Hydrated lime (b) Fly ash (c) Calcium chloride (d) All the above
Last Answer : (d) All the above
Description : Which one of the following is the major disadvantage of stone dies used for crown fabrication, A. They lack accurate reproduction of surface details B. Their overall dimensions are slightly smaller than ... of the stone D. The hazard of aspiration of toxic materials during trimming of the dies.
Last Answer : A. They lack accurate reproduction of surface details
Description : Antioxidants are added in petrol to (A) Impart colour to it, for easy identification (B) Minimise the gum formation (C) Prevent icing of the carburettor (D) Prevent the lead build up in engines
Last Answer : (B) Minimise the gum formation
Description : Amino resins are used in paper treatment to improve its (A) Wet tear and bursting strength (B) Folding endurance (C) Wet rub resistance (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Which of the following is not the advantage of CNC machines? a.Higher flexibility b.Improved quality c.Reduced scrap rate d.Improved strength of the components
Last Answer : d.Improved strength of the components
Description : Which of the following is not advantage of robotics? A : Greater flexibility and re-programmabilityB : Greater response time to inputs than human C : Greater unemployment D : Improved product quality
Last Answer : C : Greater unemployment
Description : Which of the following is not advantage of robotics? A : Greater flexibility and re-programmability B : Greater response time to inputs than humanC : Greater unemployment D : Improved product quality
Description : The characteristic of symposium is Options: A) To develop the comprehensive understanding of about the specific problems of research and its various dimensions B) To give freedom to express their ideas by the ... as the audience C) To impart training for higher order of thinking D) All of the above
Last Answer : D) All of the above
Description : Generally the objective of organizing a workshop is Options: A) To develop the research attitude in the researchers B) To tell about the research methodology to the neo-researchers C) To impart practical training of conducting research D) None of the above
Last Answer : C) To impart practical training of conducting research
Description : Which of the following additives are added to plastics to make it impervious to X-rays? (A) Asbestos (B) Barium salt (C) Carborundum (D) Phthalic acid
Last Answer : (B) Barium salt
Description : Pick up the correct statement from the following: (A) Catalysts are added to assist and accelerate the hardening of resin (B) The fillers are inert materials and they impart strength and hardness (C) Fibrous fillers increase thermal resistance (D) All the above
Description : The main objective of organizing a workshop is Options: A) To improve the skills of the researchers in order to solve the specific problem B) To impart practical training to the researchers C) To make perfect the researchers in an area of research D) All of the above
Description : The plastics made from cellulose resin (A) Are as clear as glass (B) Are tough and strong (C) Possess excellent electrical properties (D) All the above
Description : Properties of plastics
Last Answer : Properties of plastics:- 1. Light in weight. 2. Easy workability. Easy to shape and mould. 3. Highly resistant to corrosion. 4. Highly resistant to abrasion., moistuer and greases. 5. Good ... 10. Low fabrication cost. 11. Good dimensional stability. 12. Can be made transparent or coloured.
Description : The basic purpose of a retarder in concrete is (A) To increase the initial setting time of cement paste in concrete (B) To decrease the initial setting time of cement paste in concrete (C) To render the concrete more water tight (D) To improve the workability of concrete mix
Last Answer : Answer: Option A
Description : Phthalic anhydride is used (A) In making PVC (B) As plasticisers (C) In insecticides manufacture (D) For making nylon-6
Last Answer : (B) As plasticisers
Description : Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are addedto polymers to act as (A) Hardeners (B) Anti-shrinkage agents (C) Plasticisers (D) Transparency improver
Last Answer : (C) Plasticisers
Description : Parathion and Malathion are (A) Pesticides (B) Plasticisers for unsaturated polyesters (C) Pain-relieving drugs (analgesic) (D) Tranquilisers
Last Answer : (A) Pesticides
Description : Can casual bicycling help improve flexibility?
Last Answer : I would say no. If you’re not stretching your muscles to and/or past your normal range of motion, you’re not increasing flexibility.
Description : How Flexibility Can Improve Well-being?
Last Answer : Flexibility provides a number of benefits for both daily life and overall better health for many adults. This flexibility can be gained in a number of ways, such as simple stretches ... weight better managed. Those who participate in active hobbies or exercise regularly and include flexibility train
Description : Which of the following drugs is believed to improve microcirculation in peripheral vascular diseases by promoting RBC flexibility ? (a) Cyclandelate (b) Theophyline (c) Pentoxiphyline (d) Nicotinic acid
Last Answer : Ans: C
Description : The following drug is believed to improve microcirculation in peripheral vascular diseases by promoting RBC flexibility: A. Cyclandelate B. Theophylline C. Pentoxiphylline D. Nicotinic acid
Last Answer : C. Pentoxiphylline
Description : What is an element that has properties such as shine conductivity and flexibility is an?
Last Answer : What is the answer ?
Description : For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal (i) Of a stiffness matrix must be positive (ii) Of a stiffness matrix must be negative (iii) Of ... ) (B) (ii) and (iii) (C) (i) and (iv) (D) (ii) and (iv)
Last Answer : (A) (i) and (iii)
Description : Synthetic rubber (A) Deforms, if stretched to double of its original dimension (B) Is brittle at low temperature (C) Is softer at higher temperature (D) Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
Last Answer : (D) Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
Description : D-Mannose is present in some plant products like (A) Resins (B) Pectins (C) Mucilage (D) Gums
Last Answer : D
Description : Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of (A) Tungsten (B) Vanadium (C) Silicon (D) All (A), (B) & (C)
Last Answer : (C) Silicon
Description : The main cognitive objective of seminar is Options: A) To develop critical and analytical capacities in a researcher B) To develop observational and experiential presenting capabilities in a researcher C ... and evaluation related abilities in a researcher D) All of the above are correct statements
Last Answer : D) All of the above are correct statements
Description : This strategy will allow us to maintain a presence in every market segment. Competitive advantage will be gained by distinguishing our product with an excellent design, high awareness, and easy ... Cycle Focus d. Differentiation Strategy with a Product Life Cycle Focus e. Broad Differentiation
Last Answer : e. Broad Differentiation
Description : Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains (a) immunoglobulin A (b) natural killer cells (c) monocytes (d) macrophages.
Last Answer : (a) immunoglobulin A
Description : (2) Nitrogen, Phosphorous and Sodium Explanation: Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a ... essential to the growth of plants. The three elements most needed in common fertilisers are Nitrogen.
Last Answer : Metal are good conductors, because – (1) they contain free electrons (2) the molecules in them are very close to each other (3) the molecules in them collide very freely (4) they contain reflecting surface
Description : If you could have one robotic augmentation added to your body, what would you like to have improved?
Last Answer : Go Go Gadget arms so when my tables ask for 5 million things at once, BAM!
Description : Use of improved implements has potential to productivity up to 30% and reduce the cost of cultivation up to 20% A) Increase B) Decrease C) Improve D) Up
Last Answer : Increase
Description : TQM initiatives a. improve business procedures, resulting in improved efficiencies and cost structures. b. improve product quality while reducing the time and resources required to design, ... quality resulting in improved cost structures. e. improve product quality and business procedures.
Last Answer : b. improve product quality while reducing the time and resources required to design, manufacture, warehouse and ship products.
Description : Process Management Initiatives a. improve business procedures, resulting in improved efficiencies and cost structures. b. improve product quality while reducing the time and resources required ... improved efficiencies and costs structures. d. improve product quality and business procedures.
Last Answer : a. improve business procedures, resulting in improved efficiencies and cost structures.
Description : Taylor and Deming would have both agreed that (a) Whirlpool's global strategy is a good one (b) Eli Whitney was an important contributor to statistical theory (c) Management must do more to ... be improved (d) The era of Operations Management will be succeeded by the era of scientific management
Last Answer : (c) Management must do more to improve the work environment and its processes so that quality can be improved