Entri Career Fest- Up to 50% Off on In-demand Courses ✦ 12,000 Government Jobs Secured ✦ 5,000+ Private Job Placements ✦ 4.9 ⭐️ Google Play Store Rating✦ +++

Get Ahead with Our Exam Q&A

Explore our extensive collection of questions and answers to enhance your learning experience and prepare for exams effectively

Enriched uranium is a type of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation. Natural uranium is 99.284% 238U isotope, with 235U only constituting about 0.711% of its mass.

Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Elisha Graves Otis was an American industrialist, founder of the Otis Elevator Company, and inventor of a safety device that prevents elevators from falling if the hoisting cable fails.

John Boyd Dunlop was a Scottish inventor and veterinary surgeon who spent most of his career in Ireland. Familiar with making rubber devices, he re-invented pneumatic tyres for his child’s tricycle and developed them for use in cycle racing.

From Elias Howe’s textile experience he produced a sewing machine which in many ways leant heavily for inspiration on the loom with its shuttle.

An electrical telegraph was independently developed and patented in the United States in 1837 by Samuel Morse. His assistant, Alfred Vail, developed the Morse code signalling alphabet with Morse.

The Suez Canal is a sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea through the Isthmus of Suez. Constructed by the Suez Canal Company between 1859 and 1869, it was officially opened on 17 November 1869

Samuel Colt submitted a British patent for his revolver in 1835 and an American patent (number 138) on February 25, 1836 for a Revolving gun, and made the first production model on March 5 of that year. Another revolver patent was issued to Samuel Colt on August 29, 1839.

The Analytical Engine was a proposed mechanical general-purpose computer designed by English mathematician and computer pioneer Charles Babbage. It was first described in 1837 as the successor to Babbage’s difference engine, a design for a simpler mechanical computer.

The first typewriter to be commercially successful was invented in 1868 by Americans Christopher Latham Sholes, Frank Haven Hall, Carlos Glidden and Samuel W. Soule in Milwaukee, Wisconsin, although Sholes soon disowned the machine and refused to use, or even to recommend it.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!

    [honeypot honeypot-100]