Description : Silver is used for high precision electrical contacts in computer due to its property of ______. a) malleability b)conductivity c)ductility d)none
Last Answer : b)conductivity
Description : Which of the following is not property of an alloy? a) strong b)resistant to corrosion c)hard d)Poor conductor of electricity
Last Answer : d)Poor conductor of electricity
Description : Aluminium is used in making aircraft because a) malleable b)light c)both i and ii d)none of the above
Last Answer : b)light
Description : The non-metal used in batteries is a) phosphorous b)nitrogen c) carbon d)sulphur
Last Answer : c) carbon
Description : The composition of brass alloy is a) copper b)copper and gold c)copper and zinc d)tin and zinc
Last Answer : c)copper and zinc
Description : Which metal among the following melts below 30^0 C. a) copper b)aluminium c)gold d)caesium
Last Answer : d)caesium
Description : Which of the following is not property of sodium metal? a) lustre b)hard c)low melting point d)solid at room temperature.
Last Answer : c)low melting point
Description : The correct sequence of steps involved in extraction of metal from its ore is a) removal of impurities, purify metal, reduction of ore b) purify metal, removal of impurities, reduction of metal ore . c ... of metal , reduction d) removal of impurities from ore , reduction of ore , refining of metal
Last Answer : d) removal of impurities from ore , reduction of ore , refining of metal
Description : Which of the following non-metal reacts and catches fire on exposure to air? a) phosphorous b)nitrogen c)sulphur d)hydrogen
Last Answer : a) phosphorous
Description : Generally metallic oxides are basic and non-metallic are acidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red? a)sulphur dioxide b)Magnesium oxide c)iron oxide d)copper oxide
Last Answer : a)sulphur dioxide
Description : Metals are generally hard, which of the following metal is an exception and can be cut with a knife? a) iron b)sodium c)gold d)magnesium
Last Answer : b)sodium
Description : Rohan had learnt that non-metals on beating with hammer are generally broken into pieces. Which of the following is a non-metal? a) iron nail b)aluminium wire c)copper wire d)piece of coal
Last Answer : d)piece of coal
Description : ________ is an alloy made from iron , chromium and nickel . a) stainless steel b)steel c)brass d)bronze
Last Answer : a) stainless steel
Description : A homogenous mixture of two or more metal or a metal and non-metal is known as _____. a) alloy b)element c)mineral d)compound
Last Answer : a) alloy
Description : _______ being a very light metal is used for making aircraft bodies . a) aluminium b)copper c)zinc d)iron
Last Answer : a) aluminium
Description : The purity of gold is expressed in terms of ____ ___. a)carat b)ounce c)pound d)none
Last Answer : a)carat
Description : Metallic oxide like MgO reacts with water to form a _______. a)base b)acid c)salt d)water
Last Answer : a)base
Description : Germanium is an example of ____________. a) metal b)metalloid c)non-metal d)none
Last Answer : b)metalloid
Description : ________ does not react with dilute hydrochloric acid but reacts with sulphuric acid and does not liberate hydrogen gas. a) iron b)copper c)gold d)zinc
Last Answer : b)copper
Description : The property due to which a metal can be hammered into thin sheets without breaking is _______. a) malleability b)ductility c)tensile strength d)conductivity
Last Answer : a) malleability
Description : Example of non-metal which exist in solid state is __________ . a) sulphur b)bromine c)chlorine d)oxygen
Last Answer : a) sulphur
Description : ________ is naturally occurring inorganic substance found deep under the surface of the earth. a) ore b)mineral c)metal d)non-metal
Last Answer : b)mineral
Description : __________ metal is liquid at room temperature . a) mercury b)iron c)copper d)silver
Last Answer : a) mercury
Description : While cooking, if the bottom of the vessel is getting blackened on the outside, it means that (1) The food is not cooked completely (2) The fuel is not burning completely (3) The fuel is wet (4) The fuel is burning completely
Last Answer : (2) The fuel is not burning completely Explanation: If we observe the bottoms of cooking vessels getting blackened, it means that the air holes are blocked and fuel is getting wasted.
Description : Transfer of heat energy from a heater coil to the cooking vessel takes place through the process of- (1) Convection only (2) Conduction and convection only (3) Radiation and convection only (4) Convection, conduction and radiation
Last Answer : (3) Radiation and convection only Explanation: Conduction is the transfer of heat energy by direct contact, convection is the movement of heat by actual motion of matter; radiation is the transfer of energy with the help of electromagnetic waves.
Description : Name two elements that find wide application in transistor industry – (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum
Last Answer : (1) Silicon and Germanium Explanation: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. Semiconductor material (date first used): the metalloids ... -germanium (1989), the allotrope of carbon graphene (research ongoing since 2004), etc.
Description : Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum
Last Answer : Silicon and Germanium
Description : Why is copper mainly used in electrical cables, electronics and chemical industries? -SST 10th
Last Answer : Copper is malleable, ductile and a good conductor of electricity. Therefore, it is mainly used in electrical cables, electronics and chemical industries.
Description : Why is copper mainly used in electrical cables and electronic industries? -SST 10th
Last Answer : It is used in electrical cables as it is malleable, ductile and a good conductor of heat and electricity.
Description : When Ontario Hydro workers set up electrical cables during the summer they allow the cables to sag. Suggest a reason for this. In your answer refer to the particle theory?
Last Answer : i know someones going to be on this sooooooooo....... they sag because the hydro workers know, from the heat the cbles will sag during the summer, so they start the sag so they cant sag anymore
Description : Which of the following statements concerning electrical cables is correct? A. Where they pass through watertight bulkheads, they should be fitted with watertight stuffing boxes. B. Electric cable coverings should ... , or glued in place where nonmetallic insulation is used. D. All of the above.
Last Answer : Answer: A
Description : When electrical cables penetrate watertight bulkheads, _______________. A. they should be grounded on either side of the bulkhead B. they must be bent to a radius of six diameters C. a watertight stuffing tube capable of accepting packing should be employed D. they should be secured by a clamp
Last Answer : Answer: C
Description : The physical layer provides __________ a. mechanical specifications of electrical connectors and cables b. electrical specification of transmission line signal level c. specification for IR over optical fiber d. all of the mentioned
Last Answer : d. all of the mentioned
Description : The physical layer provides __________ A. mechanical specifications of electrical connectors and cables B. electrical specification of transmission line signal level C. specification for IR over optical fiber D. all of the mentioned
Last Answer : D. all of the mentioned
Description : The physical layer provides __________ a) mechanical specifications of electrical connectors and cables b) electrical specification of transmission line signal level c) specification for IR over optical fiber d) all of the mentioned
Last Answer : d) all of the mentioned
Description : Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh. (A) 746 (B) 3000 (C) 1000 (D) 550
Last Answer : (B) 3000
Description : Is anything new in the field of dentistry?
Last Answer : My daughter’s dentist managed to screw up one of her teeth so much she’s going to need a root canal. Whoopee!
Description : How did people get their wisdom teeth extracted before modern dentistry?
Last Answer : answer: Only at the end of the nineteenth century the use of local anesthesia together with the development of radiology led to the establishment of surgical dentistry. Especially the technique of ... 1950s, highly dangerous infections have become rare, PubMed Before that they were left alone.
Description : Have you experienced sedation dentistry?
Last Answer : The gas makes me feel horrible. My dentist insists on using something, because I have a loose tendon in my jaw, and it makes it difficult for him to work on me. I prefer the oral anxiety medication if I'm ... That's not to say it would have the same effect on you, that's just how I feel about it.
Description : Does anyone know if Flexible Spending Accounts can be used to pay for Sedation Dentistry?
Last Answer : I think it can. You may need something from the dentist stating that this is neccessary for the treatment you are going to have. It is the financial coordinator's (in the dental office) ... before booking your treatment, and to send the treatment plan to the fsa if requested to secure payment.
Description : Cat dentistry: The solution to my woes?
Last Answer : You'll see improvement, but don't expect a miracle. Advanced dental disease and chronic pain has certainly been influencing her personality and behavior, and having the teeth extracted will help. You'll ... willing to groom, she'll eat better, and be less distressed as a result of being healthier.
Description : which of the following is not a use for the air-water syringe in four-handed dentistry?
Last Answer : a. keeping the tooth warm during dental preparationb. Drying the tooth c. rinsing the tooth d. Keeping the tooth cool during dental preparation
Description : Where can I find Smile Makeover | Dentists & Doctors | Geelong Medical & Dentistry?
Last Answer : Dentists & Doctors are highly experienced in Cosmetic Dentistry and provide a complete smile makeover, personalized to each individual! Call 035221 9129!
Description : What is preventive dentistry?
Last Answer : A preventive dentistry is a place where a person can get dental care to preventive various dental issues, disease and improve their present dental health and prevent the situation from getting worse. By ... a preventive dentistry, a person will get good tips to maintain good oral and dental health.
Description : How Much Does Sedation Dentistry Cost?
Last Answer : Frequently, the cost of sedation dentistry reaches to a hundred dollars and even thousands depending on the service and of sedation you take, along with your location and dentist.dentist ... toronto, teeth whitening in toronto, sedation dentistry toronto, sedation dentistry, dental implants toronto
Description : Which metal is required for dentistry , coinage and electronic connection ?
Last Answer : Twenty-four carat gold.
Description : Is a dental examination mandatory during pregnancy?
Last Answer : I gave birth a few years ago, even if it was well, it was a mandatory test, but I would have gone anyway because my wisdom tooth was normally inflamed.
Description : Why is cosmetic dentistry so much more expensive than regular dentistry?
Last Answer : Because the job performed is much more complex. For example, what should be cheaper re-doing the painting in a dented car or fixing its engine? Same thing with dentistry and cosmetic professionals. Having a ... lift your boobs. I know the comparisons are a little different but you can get my drift.
Description : Is cosmetic dentistry helpful in smile designing?
Last Answer : Smile or smiling is a natural phenomenon, bestowed upon human beings by God. Human beings are the only living species with this gift. Have you seen or heard or read about any other living ... , but it straightens things'. So it should be natural and not designed especially with cosmetic dentistry.
Description : Explain the extended metaphor related with dentistry in the poem. Give suggestions to protect our national heritage monuments.
Last Answer : Explain the extended metaphor related with dentistry in the poem. Give suggestions to protect our national heritage monuments.