In winter an iron pipe feel colder than a wooden window . This is because wood is----? A. Conductor B. Non-Conductor (Answer) C. Semi- Conductor D. Not a solid while iron is a solid E. None of these

In winter an iron pipe feel colder than a wooden window . This is because wood is----?

A. Conductor

B. Non-Conductor (Answer)

C. Semi- Conductor

D. Not a solid while iron is a solid

E. None of these
by

1 Answer

Answer :

B. Non-Conductor (Answer)
by

Related questions

An iron hammer, lying in the sun, appears much hotter than its wooden handle because (a) iron is at a higher temperature (b) iron is darker than wood (c) iron absorbs more heat (d) iron is a good conductor of heat

Description : An iron hammer, lying in the sun, appears much hotter than its wooden handle because (a) iron is at a higher temperature (b) iron is darker than wood (c) iron absorbs more heat (d) iron is a good conductor of heat

Last Answer : Ans:(d)

Metal tea pots have wooden handles because – (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic

Description : Metal tea pots have wooden handles because – (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic

Last Answer : (2) it prevents electric shock Explanation: Wood is a bad conductor of heat due to the arrangement of its molecules. As the molecules of wood are far from each other, they cannot pass heat through them.

Metal tea pots have wooden handles because – (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic

Description : Metal tea pots have wooden handles because – (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic

Last Answer : (2) it prevents electric shock Explanation: Wood is a bad conductor of heat due to the arrangement of its molecules. As the molecules of wood are far from each other, they cannot pass heat through them.

Metal tea pots have wooden handles because (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic

Description : Metal tea pots have wooden handles because (1) wood is a bad conductor of heat (2) it prevents electric shock (3) it gives beauty to the pots (4) it is hygienic

Last Answer :  it prevents electric shock

Air over the oceans is colder in summer and warmer in winter compared with air over the continental regions. This is because (a) Water is translucent and has a relatively high heat capacity compared to dirt (b) Compared to dirt, a thicker layer of water participates in the seasonal cycle (c) The albedo of water is greater than that of land and thus reflects more solar radiation (d) Both A and B are true (e) The effect is due to the changes in circulation between continents and oceans

Description : Air over the oceans is colder in summer and warmer in winter compared with air over the continental regions. This is because (a) Water is translucent and has a relatively high heat capacity compared ... B are true (e) The effect is due to the changes in circulation between continents and oceans

Last Answer : (d) Both A and B are true

Why a metal bench feels colder than a wooden one.When one sits on it on a cold morning even though both are the same temperature.Explain this observation?

Description : Why a metal bench feels colder than a wooden one.When one sits on it on a cold morning even though both are the same temperature.Explain this observation?

Last Answer : The metal bench is a good thermal heat conductor; since yourbody is warmer than the bench the heat flows rapidly from youwarming the bench and making you feel cold.The wooden bench is apoor ... than thebench your body heat does not flow much by conductivity, so you donot feel much difference.

Which is least Conductor of Electricity among the following? A. Wood (Answer) B. Copper C. Iron D. Water

Description : Which is least Conductor of Electricity among the following? A. Wood (Answer) B. Copper C. Iron D. Water

Last Answer : A. Wood (Answer)

Why does a cast iron tub feel colder than anything else in a room?

Description : Why does a cast iron tub feel colder than anything else in a room?

Last Answer : answer:A material feels cold to the touch at a high heat conductivity coefficient; because a material with a high heat conductivity coefficient extracts heat from the body at a fast rate. ... long way http://www.materia.nl/583.0.html?&tx_ttnews[tt_news]=88&tx_ttnews[backPid]=532&cHash=9e7e52c586

Global warming deniers: what went wrong with sticking your head out the window to prove it's colder than usual?

Description : Global warming deniers: what went wrong with sticking your head out the window to prove it's colder than usual?

Last Answer : Maybe they’ve all melted?

Does anyone know why a Praying Mantis would sit on a window screen for two days without seeming to eat as the weather gets colder?

Description : Does anyone know why a Praying Mantis would sit on a window screen for two days without seeming to eat as the weather gets colder?

Last Answer : Could be it’s responding to the changing day length and temperatures and it’s getting ready to go into hibernation for the winter. Or it could be ready for death. Hard to know. Or it could be a male that got laid and the female didn’t want any head and he’s terminally depressed. I would be.

How cold does North Carolina get in the winter and is it colder or warmer than New York?

Description : How cold does North Carolina get in the winter and is it colder or warmer than New York?

Last Answer : In upstate NY we had -20 degrees F two nights ago. North Carolina doesn’t get anywhere near as cold.

Is Chicago colder in winter than Reykjavik?

Description : Is Chicago colder in winter than Reykjavik?

Last Answer : Need answer

Mariana wears her winter coat when the temperature is colder than -4 celsius. Write an inequality that is true only for temperatures (t) at which Mariana wears her winter coat.?

Description : Mariana wears her winter coat when the temperature is colder than -4 celsius. Write an inequality that is true only for temperatures (t) at which Mariana wears her winter coat.?

Last Answer : 42w

While testing a semi-conductor diode with an ohmmeter, both the forward and reverse readings are almost in the infinity range. This would indicate that the unit is _____________. A. good B. open C. grounded D. shorted

Description : While testing a semi-conductor diode with an ohmmeter, both the forward and reverse readings are almost in the infinity range. This would indicate that the unit is _____________. A. good B. open C. grounded D. shorted

Last Answer : Answer: B

In spring I am gay in handsome array; in summer more clothing I wear; when colder it grows I fling off my clothes; and in winter quite naked appear. What am I? -Riddles

Description : In spring I am gay in handsome array; in summer more clothing I wear; when colder it grows I fling off my clothes; and in winter quite naked appear. What am I? -Riddles

Last Answer : A Tree.

Intrinsic Semi-conductor is also known as-----? A. Impure-Conductor B. Pure-Conductor (Answer) C. Simple Conductor D. None of these

Description : Intrinsic Semi-conductor is also known as-----? A. Impure-Conductor B. Pure-Conductor (Answer) C. Simple Conductor D. None of these

Last Answer : B. Pure-Conductor (Answer)

How do you make a refrigerator colder if icecream doesn't stay solid in it?

Description : How do you make a refrigerator colder if icecream doesn't stay solid in it?

Last Answer : Position the refrigerator away from all heat sources. Leave an air space between the refrigerator and the wall. Inspect the door seals on the refrigerator from time to time. store only cool or ... in the refrigerator to make it colder. keeo the refrigerator fairly full for proper air circulation.

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons. (A) Lack of free (B) Excess of (C) Decrease in (D) None of these

Description : A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons. (A) Lack of free (B) Excess of (C) Decrease in (D) None of these

Last Answer : (B) Excess of

Drugs in suspensions and semi-solid formulations always degrade by (A) first order kinetics (B)second order kinetics (C) zero order kinetics (D) non-linear kinetics

Description : Drugs in suspensions and semi-solid formulations always degrade by (A) first order kinetics (B)second order kinetics (C) zero order kinetics (D) non-linear kinetics

Last Answer : (C) zero order kinetics

I generally feel colder than most people. Why?

Description : I generally feel colder than most people. Why?

Last Answer : Are you skinny? I’m like this too. Except, oddly, last year I suddenly got a lot better with it. I used to have to wear sweaters on sweaters on sweaters during the winter. Now I’m okay with just a long sleeve shirt. I have no clue how I managed to change though, sorry.

Is a wooden pencil a conductor?

Description : Is a wooden pencil a conductor?

Last Answer : insulator bcz its a bad conductor.....

BMR is higher in (A) Adults than in children (B) Men than in women (C) Vegetarians than in non-vegetarians (D) Warmer climate than in colder climate

Description : BMR is higher in (A) Adults than in children (B) Men than in women (C) Vegetarians than in non-vegetarians (D) Warmer climate than in colder climate

Last Answer : Answer : B

On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because – (1) metals have higher thermal capacity than plastics (2) plastics have a lower density than metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Description : On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because - (1) metals ... metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Last Answer : (3) metals are good conductors of heat Explanation: On a chilly day, the room temperature is lower than our body temperature. Since metals have a higher coefficient of thermal conductivity than plastic, they ... from our fingers will flow to the metal cap much more quickly than to the plastic body.

Clear nights are colder than cloudy nights because of – (1) conduction (2) condensation (3) radiation (4) insolation

Description : Clear nights are colder than cloudy nights because of – (1) conduction (2) condensation (3) radiation (4) insolation

Last Answer : (3) radiation Explanation: Cloudless nights are colder because the nights that have clouds provide a blanket for the earth and trap some of the hot day air where as the cloudless nights ... waves travel through vacuum, or through matter-containing media that are not required for their propagation.

On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : (1) metals have higher thermal capacity than plastics (2) plastics have a lower density than metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Description : On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : (1) metals ... metals (3) metals are good conductors of heat (4) plastics have a higher thermal conductivity than metals

Last Answer : metals are good conductors of heat

Clear nights are colder than cloudy nights because of (1) conduction (2) condensation (3) radiation (4) insolation

Description : Clear nights are colder than cloudy nights because of (1) conduction (2) condensation (3) radiation (4) insolation

Last Answer : radiation

Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally-------? A. ionic substances B. metallic substances (Answer) C. molecular solids D. covalent network solids

Description : Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally-------? A. ionic substances B. metallic substances (Answer) C. molecular solids D. covalent network solids

Last Answer : B. metallic substances (Answer)

If the Earth were made of wood, the mass of wooden Earth would have been 10% as much as it is now

Description : If the Earth were made of wood, the mass of wooden Earth would have been 10% as much as it is now

Last Answer : If the Earth were made of wood, the mass of wooden Earth would have been 10% as much as ... . Calculate escape speed from the surface of this Earth.

How can I safely clean a wooden knife block without harming the wood?

Description : How can I safely clean a wooden knife block without harming the wood?

Last Answer : You simply use a mild soap to clean the outside of the block. If you wish Linseed oil is a good option to preserve the wood. You should avoid getting the inside of the block wet as that will damage your knives and the block.

What is the best wood putty to fix a wooden picture frame?

Description : What is the best wood putty to fix a wooden picture frame?

Last Answer : Wood putty designed for pressed wood works very well with picture frames and will be very easy to apply.

What wood works best for wooden decks?

Description : What wood works best for wooden decks?

Last Answer : Pressure treated lumber is the most common wood used for decks. It withstands water, insects and fungi well and will provide a solid deck for many years. Cedar and Redwood are also great deck material although they are more expensive.

Best wood for wooden sleepers is A. Sal B. Teak C. Deodar D. Chir

Description : Best wood for wooden sleepers is A. Sal B. Teak C. Deodar D. Chir

Last Answer : B [Teak]

A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is (A) 50 N at each end (B) 50 N at the centre (C) 100 N at the centre (D) None of these

Description : A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is (A) 50 N at each end (B) 50 N at the centre (C) 100 N at the centre (D) None of these

Last Answer : (C) 100 N at the centre

Generally wooden moulds are made from (A) Ply wood (B) Shishum wood (C) Deodar wood (D) Teak wood

Description : Generally wooden moulds are made from (A) Ply wood (B) Shishum wood (C) Deodar wood (D) Teak wood

Last Answer : Answer: Option B

Why ionic compounds are non conductor in solid state and conductor in molten or fused state?

Description : Why ionic compounds are non conductor in solid state and conductor in molten or fused state?

Last Answer : Ans: This is because in solid state there are no free ions and their free movement isn’t possible but in molten or fused state the free movement of ions is possible, so these can conduct electric current.

Would you buy a dining table made using innovative light weight construction methods if it had the same look, quality and feel as a solid wood table and cost less?

Description : Would you buy a dining table made using innovative light weight construction methods if it had the same look, quality and feel as a solid wood table and cost less?

Last Answer : If it has the same look, feel and quality then what’s the difference? Weight? I guess having the same quality would also indicate that it is as sturdy too. No brainer…buy the cheaper one.

Could I make Sangria popsicles in my freezer, or does the temperature have to be even colder because of the alcohol content?

Description : Could I make Sangria popsicles in my freezer, or does the temperature have to be even colder because of the alcohol content?

Last Answer : Sangria is reasonably low in alcohol, so my guess is it would freeze just fine in the typical freezer. Give it a try. At worst case, you’ll end up with some well chilled sangria to drink. THere could be worse fates. :-)

Solid type cables are considered unreliable beyond 66 kV because (a) insulation may melt due to higher temperature (b) skin effect dominates on the conductor (c) of corona loss between conductor and sheath material (d) there is a danger of breakdown of insulation due to the presence of voids

Description : Solid type cables are considered unreliable beyond 66 kV because (a) insulation may melt due to higher temperature (b) skin effect dominates on the conductor (c) of corona loss between conductor and sheath material (d) there is a danger of breakdown of insulation due to the presence of voids

Last Answer : (d) there is a danger of breakdown of insulation due to the presence of voids

Is a lightning conductor set up on one of the semi-detached houses dangerous for the other without a lightning conductor?

Description : We live in a single-storey semi-detached house without a lightning conductor (it was built 60 years ago). It is a colony of semi-detached houses, built on a hill, about 20 m apart (uphill). The ... lightning. We will not agree on a joint construction with a neighbor (we do not have good relations).

Last Answer : If the semi-detached house does not have a common electrical installation, then there is no risk. It also has no effect on individual objects.

Which is a semi conductor memory? A) Dynamic B) Static C) Bubble D) Both a & b

Description : Which is a semi conductor memory? A) Dynamic B) Static C) Bubble D) Both a & b

Last Answer : Answer : D

Silicon is a _____. A. Superconductor B. Conductor C. Semi-conductor D. Insulator

Description : Silicon is a _____. A. Superconductor B. Conductor C. Semi-conductor D. Insulator

Last Answer : ANSWER: C

Silicon is a _____. A. Superconductor B. Conductor C. Semi-conductor D. Insulator

Description : Silicon is a _____. A. Superconductor B. Conductor C. Semi-conductor D. Insulator

Last Answer : ANSWER: C

At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor

Description : At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor

Last Answer : (2) Super conductor Explanation: Lead exhibit superconducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913. At this temperature (known as critical temperature), ... to a different phase of matter; this superconducting phase is described by the BCS theory.

Solids which conduct electricity at higher temperature but not at lower temperature are called (1) super-conductor (2) metallic-conductor (3) semi-conductor (4) insulator

Description : Solids which conduct electricity at higher temperature but not at lower temperature are called (1) super-conductor (2) metallic-conductor (3) semi-conductor (4) insulator

Last Answer : (3) semi-conductor Explanation: Semiconductors are insulators at low temperatures and reasonably good conductors at higher temperatures. As temperature increases, the semiconductor material becomes a better and better conductor.

Ohm’s law obeyed in - (1) a metallic conductor (2) a semi conductor (3) an electron tube (4) in all of the above

Description : Ohm’s law obeyed in - (1) a metallic conductor (2) a semi conductor (3) an electron tube (4) in all of the above

Last Answer : (1) a metallic conductor Explanation: There are, however, components of electrical circuits which do not obey Ohm's law; that is, their relationship between current and voltage (their I–V curve) is nonlinear (or non-ohmic).

At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor

Description : At low temperature, Lead behaves as a (1) Semi conductor (2) Super conductor (3) Insulator (4) Conductor

Last Answer : (2) Super conductor Explanation: Lead exhibit super conducting phase transitions at low temperatures of 7.2 Kelvin. This discovery was made in 1913.