Description : Tricalcium aluminate (C3A) [ A ] Hydrating less rapidly [ B ] Is a redundant compound [ C ] To be attacked by alkalies and salts [ D ] None of these
Last Answer : [ C ] To be attacked by alkalies and salts
Description : Which compound in cement, gives early age strength (a) C3S (b) C2S (c) C3A (d) C4AF
Last Answer : (a) C3S
Description : Which of the following compounds is considered to be an undesirable compound for cement [ A ] C3S [ B ] C2S [ C ] C3A [ D ] C4AF
Last Answer : [ D ] C4AF
Description : The following compound has the property of early strength as well as ultimate strength [ A ] C3S [ B ] C2S [ C ] C3A [ D ] C4AF
Last Answer : [ A ] C3S
Description : Low heat cement contains more amount of __________ than that of ordinary Portland cement [ A ] C3S [ B ] C2S [ C ] C3A [ D ] None of the above
Last Answer : [ B ] C2S
Description : The hydrogen bonds in the secondary and tertiary structure of proteins are directly attacked by (A) Salts (B) Alkalies (C) Detergents (D) All of these
Last Answer : Answer : B
Description : Pick up the incorrect statement from the following: (A) Tricalcium silicate (C3S) hydrates rapidly (B) Tricalcium silicate (C3S) generates more heat of hydration (C) Tricalcium silicate (C3S) develops early strength (D) Tricalcium silicate (C3S) has more resistance to sulphate attack
Last Answer : Answer: Option D
Description : Pick up the correct statement from the following: (A) High percentage of C3S and low percentage of C2S cause rapid hardening (B) High percentage of C3S and low percentage of C2S make the cement ... ) Low percentage of C3S and high percentage of C2S contribute to slow hardening (D) All the above
Description : Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? (A) Lime stone and alumina (B) Silica and alkalies (C) Alumina and iron (D) Alkalies and magnesium
Last Answer : Answer: Option B
Description : Efflorescence is cement is caused due to the excess of (a) Lime (b) Silica (c) Alkalies (d) Iron oxide
Last Answer : (c) Alkalies
Description : Efflorescence in cement is caused due to an excess of [ A ] Alkalies [ B ] Silica [ C ] Iron oxide [ D ] Alumina
Last Answer : [ A ] Alkalies
Description : Tricalcium aluminate (C3A) (A) Reacts fast with water (B) Generates less heat of hydration (C) Causes initial setting and early strength of cement (D) Does not contribute to develop ultimate strength
Description : Buffer solutions have constant acidity and alkalinity because: (1) they have fixed value of pH (2) these give unionised acid or base on reaction with added acid or alkali (3) acids and alkalies in these solutions are shielded from attack by other ions (4) they have large excess of H+ or OH– ions
Last Answer : these give unionised acid or base on reaction with added acid or alkali
Description : Which of the following statement(s) is/are correct concerning the immunoinflammatory response to shock? a. The anaphylactoxins, C3a and C5a, are products of activation of only the classical pathway ... effects d. Platelet-activating factor can be released by both circulating and fixed tissue cells
Last Answer : Answer: d Inflammatory mediators have recently been recognized as playing a significant role in the clinical manifestations and progression of shock and the development ... increased pulmonary vascular resistance, bronchoconstriction, peripheral vasodilatation, and increased vascular permeability
Description : Which of the following statements regarding the complement system are true? a. Complement activation yields products which are directly cytotoxic as well as products which act indirectly via activated ... and classical pathways converge proximal to generating the membrane attack complex (C5b-9)
Last Answer : Answer: a, d The complement system is composed of two different but linked sequences, the classic and alternative pathways. The pathways involve serum proteins that act to amplify the inflammatory-immune ... the C5 level proximal to generating the membrane attack complex (C5b-9) (Figure 6-3)
Description : As compared to gravity dams, earthen dams (A) Are costlier (B) Are less susceptible to failure (C) Require sound rock foundations (D) Require less skilled labour
Description : An inorganic compound X reacts with water to form two cid Y and Z. X also reacts with NaOH to form two salts B and C which remain in solution. The sol
Last Answer : An inorganic compound X reacts with water to form two cid Y and Z. X also reacts with NaOH to form two salts B ... ` C. `SbCl_(3)` D. `PCl_(3)F_(2)`
Description : Heavy water used in the nuclear reactors to slow down the speed of neutrons is (A) Highly purified water (B) A compound of oxygen and deuterium (C) Water having dissolved salts of heavy metals (D) None of these
Last Answer : (B) A compound of oxygen and deuterium
Description : What compound is the main component of Epson salts?
Last Answer : ANSWER: MAGNESIUM SULFATE HEPTAHYDRATE(MgSO4.7H2O)
Description : In the illustration, the component 'B' is attached to the component 'G' by _________. EL-0031 A. melting the top of 'G' and pressing 'B' onto it B. 'C' holding it in place C. sealing compound made of bituminous substance D. vacuum created in the battery by electrolytic action
Last Answer : Answer: C
Description : Name the compound formed when an hydroxyl group is attached to a phenyl group.
Last Answer : ANSWER: PHENOL
Description : Ground water from artesian wells (A) Contains no suspended materials (B) Contains dissolved salts (C) May be saltish and hard (D) All the above
Last Answer : (D) All the above
Description : Pick up the correct statement from the following: (A) Excess quantities of iron and manganese in water, cause discolouration of clothes (B) Lead and barium salts have toxic effect (C) Higher copper content affects the lungs (D) All the above
Description : Pick up the incorrect statement from the following: (A) Iron salts produce heavy flocks and hence remove more suspended matter (B) Iron salts remove hydrogen sulphides (C) Iron salts can be used over a limited range of pH values (D) Iron salts impart corrosiveness to water
Last Answer : (C) Iron salts can be used over a limited range of pH values
Description : Pick up the correct statement from the following: (A) The precipitation during its travel in atmosphere dissolves certain gases (B) Rain water which percolates through the ground, is free from ... water may dissolve minerals and salts present in the earth's layers (D) All the above
Description : One degree of hardness of water means a content of salts of (A) 10.25 mg/litre (B) 12.25 mg/litre (C) 14.25 mg/litre (D) 16.25 mg/litre
Last Answer : (C) 14.25 mg/litre
Description : When a brick is immersed in water for 24 hours and then dried, if (A) No grey or white deposits appear on the surface, the brick is free from soluble salts (B) 10 percent surface is ... percent surface is covered with grey or white deposits, the brick has serious efflorescence (D) All the above
Description : Water used for mixing of concrete should be free from (i)Oils (ii)Salts (iii)Acids [ A ] i [ B ] iii [ C ] i and iii [ D ] i, ii and iii
Last Answer : [ D ] i, ii and iii
Description : Are persons with diabetes more susceptible to colds or more adversly affected by them?
Last Answer : I head heard that it was especially important for someone with diabetes to get a flu shot. Here’s why.
Description : Is it your left or right part of your body that is more susceptible to cancer?
Last Answer : It’s ridiculous. Most organs we have both on the right and left. The exception is our liver and pancreas are on the right, and cancer found in those organs typically is a death sentence, unless you are extremely luck and have it diagnosed early and it’s operable.
Description : Are some people more susceptible to insect bites than others?
Last Answer : answer:Yes, it depends on your blood type. Just as humans prefer some food over the other, for example one may like Edam cheese more than Cheddar, insects also have preferances. A mosquito for ... can find warm-blooded mammals and birds very easily once they get close enough. Extract from here
Description : Why do celebrities seem more susceptible to sharing their ghost stories?
Last Answer : Maybe it’s the camera in their face.
Description : What's more susceptible to broken glass, feet or paws?
Last Answer : Undoubtably one is more then the other, but the wisest thing is of course, when anything that is sharp falls, to vacuum it as soon as possible. That is at least what i do, i don’t want my kitty or my girlfriend to hurt their paws.
Description : Are intelligent people more susceptible to schizophrenia?
Last Answer : No.
Description : Which human organ is most susceptible to harmful radiations? -Do You Know?
Last Answer : answer:
Description : Poultry fowl are susceptible to the following pathogens
Last Answer : Poultry fowl are susceptible to the following pathogens A. Viruses B. Bacteria C. Fungi D. All of the above
Description : A population characteristic of a species susceptible to extinction is
Last Answer : A population characteristic of a species susceptible to extinction is A. Low trophic level in ... Wide range of distribution D. High biotic potential
Description : Among the given compounds, the most susceptible to nucleophilic attack at the cabonyl group is:
Last Answer : Among the given compounds, the most susceptible to nucleophilic attack at the cabonyl group is: A. `MeCOCl` B. `MeCHO` C. `MeCOOMe` D. `MeCOOCOMe`
Description : The geographical conditions and circumstances of people or region that make them susceptible to a disaster is known as ………………..
Last Answer : Choose the correct option by identifying the correct correlation in the sentence: The geographical conditions ... (c) vulnerability (d) capacity
Description : What are the demographic characteristics that make a person more susceptible to STI and or HIV?
Last Answer : Need answer
Description : What dimension of opportunity suggests that single men and women are more susceptible to becoming victims of crime?
Last Answer : Demographics
Description : Is astro turf susceptible to insect infestation?
Last Answer : Yes, if the astro turf is not maintained it is susceptible to insect infestation as well as mold and decay. The infestation usually occurs from moisture getting underneath the astro turf and sitting idle, thus ... living. So in the traditional way a lwan or grass can be infested no astro turf cant .
Description : Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy
Last Answer : Answer : C
Description : Women become susceptible to osteoporosis after menopause due to decreased (A) Secretion of Parathormone (B) Conversion of vitamin D into calcitriol (C) Secretion of estrogen (D) Secretion of progesterone
Description : In Ames’ assay, liver homogenate is included in the culture medium because (A) It converts pro-carcinogens into carcinogens (B) Liver can metabolise histidine (C) Salmonella mainly infects liver (D) Liver is very susceptible to cancer
Last Answer : Answer : A
Description : Spectinomycin is an aminoglycoside-like antibiotic indicated for the treatment of (a) Gram-negative bacillary septicemia (b) Tuberculosis (c) Penicillin-resistant gonococcal infections (d) Syphilis (e) Gram-negative meningitis due to susceptible organisms
Last Answer : Ans: C
Description : Which of the following statements about vancomycin is accurate? (a) It is bacteriostatic (b) It binds to PBPs (c) It is not susceptible to penicillinase (d) It has the advantage of oral bioavailability (e) Staphylococcal enterocolitis occurs commonly with its use
Description : Succinylcholine can produce all except A) Induce malignant hyperthermia in susceptible patients B) Prolonged paralysis occurs in case of butyrylcholinesterase abnormalities (as succinylcholine is not metabolized) C) Tachycardia, particularly in children D) Increase intraocular pressure
Description : Protein which renders a cell less susceptible to attack by viruses is called - (1) Actomyosin (2) Chloromycetin (3) Hybridoma (4) Inferon
Last Answer : (4) Inferon Explanation: Interferons are proteins which render the cells less susceptible to attack by viruses. Interferons are proteins made and released by host cells in response to the presence of pathogens such as viruses, bacteria, parasites or tumor cells.
Description : The asbestos cement sewers are A. Light in weight B. Not structurally strong to bear large compressive stress C. Susceptible to corrosion by sulphuric acid D. All the above
Last Answer : ANS: D