Description : What is a stand and mat used to hold a beaker or flask over a Bunsen burner?
Last Answer : Need answer
Description : Does copper clad aluminum spread heat more evenly than other materials?
Last Answer : Copper clad aluminum does offer even heat distribution. Other materials such as stainless steel offer comparable heat spread so it really comes down to personal taste.
Description : If a burner on the stove heats the bottom of a pot what transfer of heat is ti?
Last Answer : conduction
Description : When testing for blown fuses in a three-phase supply circuit to a motor, you should first ___________________. A. apply the megger across the tops of the line fuses B. apply an ammeter diagonally across ... of the line fuses D. ensure the circuit is de-energized, and then use a continuity tester
Last Answer : Answer: D
Description : While determining the refractive index of a liquid experimentally, the microscope was focussed at the bottom of a beaker, when its reading was 3.965 c
Last Answer : While determining the refractive index of a liquid experimentally, the microscope was focussed at the ... . Find the refractive index of the liquid.
Description : Calculate the index of refraction of a liquid from the following into glass: (a) Reading for the bottom of an empty beaker: 11.324 cm (b) Reading for
Last Answer : Calculate the index of refraction of a liquid from the following into glass: (a) Reading for the ... level of the liquid in the beaker: 12.895cm
Description : In Fig. a plane mirror lies at a height h above the bottom of a beaker containingwater (refractive index `mu`) upto a height f. Find the position of t
Last Answer : In Fig. a plane mirror lies at a height h above the bottom of a beaker containingwater (refractive index ... f. Find the position of the image of the
Description : When Using the Allocation Rules Engine (ARE) function how can you ensure that all transactions for ABC Office Supplies are divided evenly between cost center 1111 and cost center 2222?
Description : Function of secondary air in pulverised coal firing is to (A) Transport the coal to the burner (B) Dry the coal (C) Ensure efficient burning of coal around the burner (D) Reduce primary air requirement
Last Answer : (C) Ensure efficient burning of coal around the burner
Description : In a homogeneous mixture are particles spread evenly throughout the mixture?
Last Answer : no
Description : Commercial flower crops are sometimes watered to cause leaching. This means: a. Watering to spread fertilizer nutrients more evenly throughout the plant root system b. Watering to remove excess soluble salts from ... only to wet the top 1/3 of the growing medium d. Watering by subsurface methods
Last Answer : Watering to remove excess soluble salts from the growing medium
Description : Where do the water in the beaker get its heat energy from?
Last Answer : the fire
Description : Why a polystyrene cup is used instead of a glass beaker to find out heat of neutralization?
Last Answer : Ans: A polystyrene cup acts as an insulator therefore it will not allow heat to exchange between reaction mixture and its surroundings and enthalpy of reaction doesn’t change . On the other hand glass can easily transfer and exchange heat bringing change in enthalpy of reaction.
Description : If there are 20 stones evenly lined up in a circle which stone is directly across from the third stone?
Last Answer : It is stone 13.
Description : The turns ratio of transforme 'A' shown in the illustration is four to one and all taps are evenly spaced. If 110 volts were applied to terminals 'X1' and 'X3', what would be indicated across 'H1' and 'H2'? EL-0082 A. 37.5 volts B. 55 volts C. 220 volts D. 440 volts
Last Answer : Answer: C
Description : The turns ratio of device 'A' shown in the illustration is four to one and all taps are evenly spaced. If 110 volts were applied to terminals 'X1' and 'X3', what would be indicated across 'H1' and 'H2'? EL-0082 A. 37.5 volts B. 55 volts C. 220 volts D. 440 volts
Description : …………………………... moves the trash and roots from ahead of shin towords the main furrow so as 10 ensure complete coverage by the plough bottom a. Coulter b. Jointer c. Mould board d. Shin
Last Answer : b. Jointer
Description : Turndown ratio of a burner gives an idea of the __________ in the furnace. (A) Range of fuel firing rates (B) Volume of the combustion chamber (C) Maximum heat input rate only (D) Minimum heat input rate only
Last Answer : (A) Range of fuel firing rates
Description : Turn down ratio of a burner (A) Should be as low as possible i.e., 1 : 2 (B) Should be 1:1 for a batch type furnace (C) Is the ratio of maximum to minimum permissible heat input rates (D) Is normally much more for a continuous furnace as compared to a batch furnace
Last Answer : (C) Is the ratio of maximum to minimum permissible heat input rates
Description : Turndown ratio of a gas burner is equal to the (A) Maximum to minimum heat input ratio (B) Maximum to minimum permissible gas flow rate (C) Both (A) & (B) (D) Minimum to maximum heat input ratio
Last Answer : (C) Both (A) & (B)
Description : Basic Parts of a Boiler. Burner, • the combustion chamber, • the heat exchanger • All of the above
Last Answer : • All of the above
Description : Autotransformer starters or compensators are sometimes used with polyphase induction motors to _____________. A. reduce the voltage applied to the motor during the starting period B. increase the voltage for ' ... to be either stepped up or down, depending on the application, to ensure full torque
Last Answer : Answer: A
Description : According to the recommendations of IS : 456-1978, the expansion joints (A) Are provided where plane changes abruptly (B) Are provided to ensure minimum resistance (C) Do not carry reinforcement across them (D) All the above
Last Answer : Answer: Option D
Description : How can I make a Beaker Muppet costume for next Halloween?
Last Answer : Follow these instructions to make a beaker muppet costume
Description : Looking for something? Open me. I'm sure that your something inside of me lies. Of course you can always find hope in me (Though despair must come first; and later, surprise), What's sought, though, depends on the ... 's a clue: The answer - what I mean - lies inside of me, too. What am I? -Riddles
Last Answer : A dictionary
Description : Take a 250 mL beaker/glass tumbler. Fill half of it with water. Now carefully cut a small piece of sodium metal. Dry it using filter paper and wrap it in a small piece of cotton. Put the sodium piece wrapped in cotton into the beaker. Observe carefully. -Science
Last Answer : On touching the beaker, it was felt hot. The solution turns the red litmus paper to blue which shows it is basic in nature. Blue litmus paper do not show any colour change with the solution.
Description : Describe an activity to observe what happens when quick lime is added to water taken in a beaker. State two important observations and name the type of reaction taking place. -Chemistry
Last Answer : Answer. Aim: To observe what happens when quicklime is added to water taken in a beaker. Materials Required:- Quicklime (calcium oxide), water, beaker.Procedure: 1. Take 5 g of calcium oxide in a ... example for each of decomposion reaction carried out with help of (i) Electricity (ii) Heat (iii)
Description : 15 mL of water and 10 mL of sulphuric acid are to be mixed in a beaker (i) State the method that should be followed with reason. (ii)What is this process called? -Chemistry
Last Answer : (i) The acid is to be added slowly in water to prevent the mixture to be splashed. The reaction is highly exothermic, therefore, constant cooling should be done. (ii)The process is called dilution.
Description : When heating a beaker of H20 on a hot plate there are 3 types of energy conversions?
Description : What is the hazard for beaker?
Description : If there is 50 ml of water in a beaker then what is the mass?
Last Answer : 50 gm
Description : If a student dissolves powdered sugar in a water in a beaker the student then places a strip of silver in the beaker what is the solute in this solution?
Last Answer : Sugar is the solute.
Description : When a cube of ice floating on water in a beaker melts, the level of water in the beaker (a) rises (b) falls (c) remains the same (d) first rises and then falls
Last Answer : Ans:(c)
Description : A capillary tube is kept vertical in a beaker containing liquid. The height to which the liquid rises by capillary action is increased if (a) The radius of the capillary is large (b) The radius of the ... small (c) The density of the liquid is large (d) The surface tension of the liquid is small
Last Answer : Ans:(b)
Description : A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will - (1) first rise and then fall (2) fall (3) remain the same (4) rise
Last Answer : (3) remain the same Explanation: The submerged portion of the ice on melting shrinks a little in volume. So the level of water goes down a little. But this is just made up by the water added by the melting of upper portion.
Description : If an ordinary glass tube and a glass capillary tube are 'both clipped in a beaker of water, water rises in – (1) both (2) only the glass tube (3) only the capillary tube (4) neither
Last Answer : (1) both Explanation: The rise or fall of liquid due to capillarity in a beaker of water depends upon the radius of the bore of the tube (s) which is/are dipped into it. The narrower the bore of ... in the tube. So in this case, water will rise in both the glass tube and the glass capillary tube.
Description : When black copper oxide placed in a beaker is treated with dilute HCl, its colour changes to......... a) Whiteb) Red c) Blue-green d) No change
Last Answer : c) Blue-green
Description : Water contained in a beaker can be made to boil by passing steam through it (a) at atmospheric pressure (b) at a pressure below the firuosphejric pressure (c) at a pressure greater than atmospheric pressure (d) any pressure (e) not possible.
Last Answer : Answer : c
Description : A beaker of ethyl alcohol is marked 188 proof. What percentage of the liquid is ethyl alcohol?
Last Answer : ANSWER: 94%
Description : If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in (1) both (2) only the glass tube (3) only the capillary tube (4) neither
Last Answer : both
Description : Every entrepreneur should draw an _______ for his project to ensure the timely completion of all activities involved in setting up an enterprise. A. cost structure B. implementation plan C. market structure D. production structure
Last Answer : B. implementation plan
Description : How did the 'Non-Cooperation Movement' spread in cities across the country ? Explain its effects on the economic front. -SST 10th
Last Answer : Non-cooperation movement spread in cities: 1. Middle-class participation like in educational institutions. Students left the government-controlled institutions. Teachers and lawyers resigned from their jobs. ... textile mills' and handlooms' demand grew as Indian clothes were now in huge demand.
Description : Explain any four ways in which multinational corporations have spread their production and interaction with local producers in various countries across the globe. -SST 10th
Last Answer : The multinational corporations have spread their production and interaction with local producers in the following ways : (i) Setting up production jointly with local companies. They provide money for additional ... This helps in greater choice for consumers with a variety of goods at cheap prices.
Description : Network formed between computers which is spread across the continents is called (a) LAN (b) WAN -Technology
Last Answer : (b) Across the continents, computers can be connected using WAN only.
Description : How did the spread of Islam across North Africa and the Middle East affected the future of the Axum civilization?
Last Answer : By blocking its primary trade routes
Description : How do Npoleon and snowball spread the news of animal farmhow do the animals across the country react?
Description : A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to------? A. Prop him up if he falls B. Spread out his weight and reduce the ... to keep the rope tightly stretched D. To keep the centre of gravity always vertically above the rope (Answer)
Last Answer : D. To keep the centre of gravity always vertically above the rope (Answer)