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MCQ Questions for CBSE Class 12 with Answers
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Weaponry, Energy, and Power Systems Quiz
1.
In 1698 which English engineer and inventor built and patented the first steam engine?
John Napier
Isaac Newton
Robert Hooke
Thomas Savery
2.
Which was an English ironmaster who was the first person to successfully smelt iron ore with the coal product coke?
Abraham Darby
Robert Thompson Crawshay
Anthony Bacon
Thomas Andrews
3.
In 1835 which American inventor patented the revolver?
Henry Deringer
Samuel Colt
John Moses Browning
Eliphalet Remington II
4.
In 1856 which inventor and engineer developed the first process for manufacturing steel inexpensively?
Benjamin Huntsman
Andrew Carnegie
Henry Bessemer
Alfred Krupp
5.
Which inventor and engineer discovered and patented the rotating magnetic field, the basis of most alternating-current machinery?
Gustav Waldemar Elmen
Nikola Tesla
Charles Goodyear
Thomas Edison
6.
In 1882 the world’s first hydroelectric central station, which used water turbines to create energy, was built in which American city?
Gary, Indiana
Detroit, Michigan
Springfield, Illinois
Appleton, Wisconsin
7.
Who created the first motor vehicle used as a weapons carrier—a powered quadricycle on which a machine gun was mounted?
A.H. Patch
Dorr Felt
F.R. Simms
Alonzo E. Deitz
8.
In 1941 which American chemist developed the first commercially practical aerosol container, designed to dispense its liquid contents as a mist or foam?
Lyle D. Goodhue
John W. Draper
Rachel Lloyd
George Washington Carver
9.
In 1910 which French chemist patented the first commercially feasible neon lamp?
Claudine Picardet
Georges Claude
Léon-Albert Arnaud
Brigitte Boisselier
10.
In 1891 who patented the first solar hot-water system to be sold commercially?
Whitcomb L. Judson
Ruth Graves Wakefield
John B. McCormick
Clarence Kemp
11.
Which is credited with the invention of Greek fire, a highly incendiary liquid that was projected from “siphons” onto enemy ships or troops and was almost impossible to extinguish?
Pythius of Priene
Aristobulus of Cassandreia
Callinicus of Heliopolis
Hermodorus of Salamis
12.
Which was an artillery expert who invented spherical case shot in 1784?
Henry Shrapnel
Gustavus Adolphus
Jean-Baptiste Vaquette de Gribeauval
Jan, Count Žižka
13.
In 1783 which Scottish engineer introduced the horsepower as a unit of work?
Mary Fergusson
John Logie Baird
James Watt
James Nasmyth
14.
Which weapon, likely of Welsh origin, first came into use in England about 1290?
longbow
spear
crossbow
pike
15.
In 1652 which city became the site of a small aqueduct system as part of the first waterworks built in England’s American colonies?
New York City
Baltimore
Philadelphia
Boston
16.
In 1860 which American firearms manufacturer invented the first successful repeating rifle?
Samuel Colt
Christopher M. Spencer
Oliver Fisher Winchester
John Moses Browning
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