Description : Which of the following is NOT a characteristic of glass ionomer cements? a. strong in compression but weaker in tension True b. the matrix is formed during the initial set of the cement c. sets via ... for at least 24 hours true d. suitable for use as a core build up material in anterior teeth
Last Answer : d. suitable for use as a core build up material in anterior teeth
Description : If Chris Bromham took off on his Yamaha and jumped a horizontal distance of 74.0 m across a row of cars and assuming that he started and landed at the same level and was airborne for 1.3 s, what was his initial (angled) velocity as he left the ground?
Last Answer : I really need help. If someone can explain this to me, it'll be great!
Description : Estimate the mass of the sun, assuming the orbit of Earth around the sun to be a circle. The distance between the sun and the Earth is `1.49 xx 10^(11
Last Answer : Estimate the mass of the sun, assuming the orbit of Earth around the sun to be a circle. The distance between the sun ... xx 10^(-11) Nm^(2) kg^(-2)`.
Description : How much mass does the Sun lose through fusion reactions during its 10-billion-year life Simplify the problem by assuming the Sun and energy output remains constant.?
Last Answer : About 4 million tons (4 billion kg) a second. You can calculate the number of seconds in 10 billion years, and multiply that.
Description : Trying to reset the time on my Mother-in-Law's clock radio - model RP5420C. When powering it on, I press the time zone button once, assuming that sets it to CST with DST switched to on. DST is displayed-the time never resets&the time zone doesn't displa?
Last Answer : The manual can be downloaded from this site, it seems to be a common issue that there is no manual included in the box. Hope this helps: http://portablemedia.manualsonline.com/manuals/mfg/rca/rp5420.html
Description : A metallic wire of length 1 m is stretched to duble its length. Calculate the ratio of its initial and final resistances assuming that there is no cha
Last Answer : A metallic wire of length 1 m is stretched to duble its length. Calculate the ratio of its ... there is no change in its density on stretching.
Description : Assuming compression is according to the Law PV = C, Calculate the initial volume of the gas at a pressure of 2 bars w/c will occupy a volume of 6m³ when it is compressed to a pressure of 42 Bars. a) 130m³ b) 136m³ c) 120m³ d) 126m³ Formula: P1V1/T1 =P2V2/T2
Last Answer : 126m³
Description : A circular plate, a cube and a sphere, all made up of same material and having the same mass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? (1) Circular plate (2) Cube (3) Sphere (4) All will cool at the same rate
Last Answer : (3) Sphere Explanation: In the late of 17th century British scientist Isaac Newton studied cooling of bodies. Experiments showed that the cooling rate is approximately proportional to the difference of temperatures between the heated body and the environment.
Description : A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest? (A) Cube (B) Plate (C) Sphere (D) All will cool at the same rate
Last Answer : (D) All will cool at the same rate
Last Answer : Sphere
Description : (3) preventing rapid setting of cement Explanation: Portland cement clinker is a hydraulic material which shall consist of at least two-thirds by mass of calcium silicates, the remainder consisting of ... mixed with water by way of a complex series of chemical reactions still only partly understood.
Last Answer : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved
Description : A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t ... tablet is: (A) 0.54 (B) 1.04 (C) 1.24 (D) 1.94
Last Answer : (C) 1.24
Description : The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc ) for the same system is. (A) 100 (B) 10 (C) 5 (D) 1
Last Answer : (B) 10
Description : Which of the following sets represent five stages defined by Capability Maturity Model (CMM) in increasing order of maturity? (A) Initial, Defined, Repeatable, Managed, Optimized. (B) Initial, ... Initial, Defined, Managed, Repeatable, Optimized. (D) Initial, Repeatable, Managed, Defined, Optimized.
Last Answer : (B) Initial, Repeatable, Defined, Managed, Optimized.
Description : If you were driving down the freeway at nighttime during construction work and spotted several Highway Patrol officers near the construction area with their lights on would you a: speed up b: slow down c: ... this is a multi-lane freeway and you are able to go at or above typical freeway speeds)
Last Answer : I always slow down for construction sites. Those “My Daddy Works Here!” signs got me.
Description : During summer, we feel comfortable under a fan because it (a) throws cool air on us (b) sets the air in motion, thereby increasing the evaporation of sweat (c) produces convection currents (d) produces air which carries heat away from the body
Last Answer : Ans:(b)
Description : According to the French scientist Buffon, the solar system formed when our sun w) was first formed x) collided with a comet y) began to cool down z) began to expand.
Last Answer : ANSWER: X -- COLLIDED WITH A COMET
Description : If you started with 100 grams of each of the materials below and they all vaporized inside of an inflatable balloon, which of them would produce the largest volume balloon, assuming they were all at the same temperature? w) water x) gasoline y) ethanol z) butane
Last Answer : ANSWER: W -- WATER
Description : Assuming that a planet goes round the sun in a circular orbit of radius `0.5AU` determine the angle of maximum elongation for the planet and its dista
Last Answer : Assuming that a planet goes round the sun in a circular orbit of radius `0.5AU` determine ... its distance from the earth when elongation is measured.
Description : A sample of radioactive material has mass `m`, decay constant `lambda`, and molecular weight `M`. Avogadro constant `=N_(A)`. The initial activity of
Last Answer : A sample of radioactive material has mass `m`, decay constant `lambda`, and molecular weight `M`. Avogadro constant ... N_(4))/(M)` D. `mMe^(lambda)`
Description : A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. (A) 10 (B) > 10 (C) < 10 (D) Either (B) or (C), depends on the mass of the body
Last Answer : (B) > 10
Description : A 68-year-old male who underwent a repair of an abdominal aortic aneurysm 5 days ago, develops tachycardia, tachypnea, hypotension with cool, pale, mottled cyanotic extremities. He ... use of moderate doses of inotropic agents e. Afterload reduction with nitroprusside is absolutely contraindicated
Last Answer : Answer: a, b, d Intrinsic cardiogenic shock results from failure of the heart as an effective pump. Coronary artery disease is the most common cause of myocardial ... hemodynamic monitoring. Infusion of afterload-reducing agents can be administered in conjunction with inotropic support
Description : What mass of NaCl would be decomposed by 98 g of `H_(2)SO_(4)` if 120 g of `NaHSO_(4)` and 27 .5 g of HCl are produced in a reaction. Assuming that la
Last Answer : What mass of NaCl would be decomposed by 98 g of `H_(2)SO_(4)` if 120 g of `NaHSO_(4)` and 27 .5 g of HCl ... .95 g B. 49 .5 g C. 0. 495 g D. 495 h
Description : Inherent risk is defined as the susceptibility of an account balance or class of transactions to error that could be material assuming that there were no related internal controls. Of the following ... . d. The client has lost a major customer accounting for approximately 30% of annual revenue.
Last Answer : Internal control over shipping, billing, and recording of sales revenue is weak.
Description : A white ball of mass 1.0 kg moving with initial speed u = 0.5 m s-1 collides with stationary red ball of same mass, they move forward making angle of 90° between their paths. Their speed is A. 1 m s-1 B. 0.354 m s-1 C. 2 m s-1 D. 3 m s-1
Last Answer : 0.354 m s-1
Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal
Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL
Description : Cleo Davis sets forth one major condition when her firm's sales managers sit down to reallocate accounts into sales territories: "It is an absolute necessity that the sales potentials of the territories we establish be A)equal." B)measurable." C)consistent." D)the same as before."
Last Answer : B)measurable."
Description : Assuming the that the theory of evolution is true, does human intelligence work to slow down our evolution comparatively?
Last Answer : answer:In those cases, the ability to make tools would probably allow us to adapt to many more environments, thereby allowing more children to happen. As far as diseases, a lot of the ones that kill us ... has won a place in the next generation and I have not.) This would seem to be detrimental.
Description : A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. ... .kg-1, K-1is (A) -1.87 (B) 0 (C) 1.26 (D) 3.91
Last Answer : (B) 0
Description : If the moon sets just ater the sun what phase is the moon in?
Last Answer : What is the answer ?
Description : The sun remains visible for some time after it actually sets below the horizon. This happens due to 1. atmospheric refraction 2. scattering of light 3. dispersion Which of the above statements is/are correct? (a) 1 only (b) 1 and 2 (c) 1 and 3 (d) 1, 2 and 3
Last Answer : Ans:(a)
Description : Japan is called the Land of the rising sun' because - (1) Sun rises there as soon as it sets (2) Sun always remains in the eastern part of the sky throughout the day in Japan (3) Japan being ... (4) The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan
Last Answer : (3) Japan being the Eastern most country in the world, it has the earliest sunrise Explanation: Japan is an archipelago, or a group of islands, about 100 miles east of the Asian main land in the Far East. ... the others get the rays if the sun. That's why Japan is called the land of the rising sun.
Description : Japan is called ‘Land of the rising sun’ because: A. Sun rises there as soon as it sets B. Sun always remains in the eastern past of the sky throughout the day in Japan C. Japan being the Eastern most country in the world, it has the earliest sunrise (Answer)
Last Answer : C. Japan being the Eastern most country in the world, it has the earliest sunrise (Answer)
Description : Japan is called the Land of the rising sun' because (1) Sun rises there as soon as it sets (2) Sun always remains in the eastern part of the sky throughout the day in Japan (3) Japan being ... 4) The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan
Last Answer : Japan being the Eastern most country in the world, it has the earliest sunrise
Description : A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that - ... change in momentum (4) The initial momentum of the rubber ball is greater than that of the metal ball
Last Answer : (1) The rubber ball suffers greater change in momentum
Description : A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that ( ... change in momentum (4) The initial momentum of the rubber ball is greater than that of the metal ball
Last Answer : The rubber ball suffers greater change in momentum
Description : Is it more energy efficient to heat your house up and let it cool down or maintain a constant temperature?
Last Answer : So if I understand correctly, the options are 10-17-14-17-10 versus 14-17-14-17-14. I think what you are doing is more efficient. It will cost energy to maintain 14C versus 10C over the course ... of energy I imagine is much less than what you would spend maintaining 14 rather than 10 C all night.
Description : A 25 cm 25 cm 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m 1m 1cm ... 19.2 kg to 17.6 kg is (A) 1000 (B) 1500 (C) 2000 (D) 2500
Last Answer : (A) 1000
Description : 1000 Kg of liquid at 30°C in a well stirred vessel has to be heated to 120°C, using immersed coils carrying condensing steam at 150°C. The area of the steam coils is 1.2 m2 and the overall heat transfer co-efficient to the ... will be (A) 15 min (B) 22 min (C) 44 min (D) 51 min
Last Answer : (D) 51 min
Description : The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of ‘E/R’ is (A) 8987°K (B) 9210°K (C) 8764°K (D) 8621°K
Last Answer : (B) 9210°K
Description : In precision theodolite traverse if included angles are read twice and the mean reading accepted using both verniers having a least count of 30". Assuming the instrument to be in perfect adjustment, linear measurements correct to 6 mm per ... legs) (A) 50" n (B) 30" n (C) 60" n (D) None of these
Last Answer : (A) 50" n
Description : Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is (A) 300 × (32/7) (B) 300 × (33/5) (C) 300 × (333/7) (D) 300 × (35/7)
Last Answer : A) 300 × (32/7)
Description : In a heat treatment shop, steel components are heat-treated in batches of 80 Tons. The heat treatment cycle is as follows; Increase temperature from 30 OC to 850 OC in 3 hours. ... efficiency of 80%, for same requirement. The investment towards installation of the new furnace is Rs. 50
Last Answer : Quantity of steel treated per batch - 80 Tons a. Efficiency of Furnace: Useful heat supplied to steel - 80000 x 0.12 x (850 - 30) = 7872000 kcal/batch .1 mark Total heat ... = Rs. 64400/batch Efficiency of new LPG furnace - 80% Heat supplied in new LPG furnace - 7872000/0.8
Description : Pick up the correct statement from the following: (A) The heating of a material to redness in contact with air, is known as calcination (B) The property of lime by which it sets or hardens in ... (C) The product that remains after calcination of limestone, is called lime (D) All the above
Last Answer : Answer: Option D
Description : Assuming that it's the same blend, do hot coffee and iced coffee carry the same amount of caffeine?
Last Answer : I know you can get Mochas and Lattes iced and hot so I would think they do?
Description : Early risers vs night owls. Which one are you? Assuming you get same amount of sleep which is better?
Last Answer : I am both
Description : Why Blue jays and robins do not interbreed. Assuming that blue jays and robins share the same habitat describe the possible conditions that keep these birds reproductively isolated. Explain your answe?
Last Answer : Need answer
Description : Which of the listed motors will operate at the highest RPM, assuming that each operates at the same frequency? A. A four-pole synchronous motor under normal load. B. A four-pole induction motor under ... A six-pole synchronous motor under normal load. D. A six-pole induction motor under full load.
Last Answer : Answer: A
Description : Assuming that the document is more than thirty years old and comes from proper custody, there would be no presumption that contents of the same are true a) Mohinuddin Vs President , Municipal comity ... State of maharashtra c) Yunish alias Kariya Vs. State of Madhya Pradesh d) None of these
Last Answer : a) Mohinuddin Vs President , Municipal comity
Description : Assuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will (A) Increase (B) Decrease (C) Remain same (D) Be quadrupled
Last Answer : (A) Increase