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Read each passage and answer the questions that follow. Certain words may be marked in capital to help to locate them while answering some of the questions.

PASSAGE :
The Sopwith Camel was a British World War I single-seat biplane fighter introduced on the Western Front in 1917. Manufactured by Sopwith Aviation Company, it had a combination of a short-coupled fuselage, heavy, powerful rotary engine and concentrated fire from twin synchronized machine guns. The Camel was credited with shooting down 1,294 enemy aircraft, more than any other Allied fighter in the First World War.
Intended as a replacement for the Sopwith Pup. the Camel prototype was first flown by Harry Hawker at Brooklands on 22 December 1916, powered by a 110 hp Clerget 9Z. Known as the "Big Pup" early on in its development, the biplane design was evolutionary more than revolutionary, featuring a box-like fuselage structure, an aluminum engine cowling, plywood-covered panels around the cockpit, and fabric-covered fuselage, wings and tail. Two.303 in (7.7 mm) Vickers machine guns were mounted directly in front of the cockpit, firing forward through the propeller disc with synchronization gear. A metal fairing over the gun breeches created a "hump" that led to the name Camel. The bottom wing had dihedral but not the top, so that the gap between the wings was less at the tips than at the roots. Approximately 5,490 units were ultimately produced. Unlike the preceding Pup and Triplane, the Camel was not considered pleasant to fly. The Camel owed both its extreme MANOEUVURABILITY and its difficult handling characteristics to the placement of the engine, pilot, guns and fuel tank (some 90% of the weight of the craft) within the front seven feet of the aircraft, coupled with the strong gyroscopic effect of the rotary engine. The Camel soon gained an unfortunate reputation with student pilots. The Clerget engine was particularly sensitive to fuel mixture control, and incorrect settings often caused the engine to choke and cut out during take-off. Many crashed due to mishandling on take-off when a full fuel tank affected the centre of gravity.
In level flight, the Camel was markedly tail-heavy. Unlike the Sopwith Triplane, the Camel lacked a variable incidence tailplane, so that the pilot had to apply constant forward pressure on the control stick to maintain a level attitude at low altitude. However the aircraft could also be rigged in such a way that at higher altitudes it was able to be flown "hands off". A stall immediately resulted in a spin, and the Camel soon became particularly noted for its VICIOUS spinning characteristics.
The type entered squadron services in June 1917 with No. 4 Squadron of the Royal Naval Air Service, near Dunkirk. The following month, it became operational with No. 70 Squadron of the Royal Flying Corps. By February 1918, 13 squadrons were fully equipped with the Camel.
The Camel proved to be a SUPERLATIVE fighter, and offered heavier armament and better performance than the Pup and Triplane. In the hands of an experienced pilot, its maneuverability was unmatched by any CONTEMPORARY type. Its controls were light and sensitive. The Camel turned rater slowly to the left, which resulted in a nose up attitude due to the torque of the rotary engine. But the engine torque also resulted in the ability to turn to the right in half the time of other fighters, although that resulted in more of other fighters, although that resulted in more of a tendency towards a nose down attitude from the turn. Because of the faster turning capability to the right, to change heading 90 degree to the left, many pilots preferred to do it by turning 270 degree to the right.
Agility in combat made the Camel one of the best-remembered Allied aircraft of the First World War. It was said in jest to offer a choice between a "wooden cross, red cross and Victoria Cross". Together with the S.E.5a, the Camel helped to WREST aerial superiority away from the German Albatros fighters.
Major William Barker's Sopwith Camel (serial no. B6313, the aircraft in which the majority of his victories were scored), became the most successful fighter aircraft in the history of the RAF, shooting down 46 aircraft and balloons from September 1917 to September 1918 in 404 operational hours flying, It was dismantled in October 1918. Barker kept the clock as a memento, but was asked to return it the following day.
By mid-1918 the Camel was becoming limited by its slow speed and comparatively poor performance at altitudes over 12,000 ft (3,650 m). However, it was then used as a ground-attack and infantry support aircraft. During the German offensive of March 1918, flights of Camels harassed the advancing German Army, inflicting high losses (and suffering high losses in turn) through the dropping of 25 lb (11 kg) Cooper bombs and ultra-low-level strafing. The PROTRACTED developments of the Camel's replacement, the Sopwith Snipe, meant that the Camel remained in service until the Armistice.

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SIMILAR QUESTIONS

Choose the word that is same in meaning as "imperatives" as used in the passage.
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Which of the following statement is definitely true in the context of the passage?
A. Despite the advantages of free trade, it is not whole heartedly acclaimed by most advanced countries.
B. Policy formulation should be solely dependent on econometric models.
C. Reasons for model protectionist approach by advanced countries are not given in the passage.
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I.
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